Home / 208,972,228-487,985,320

Finding the Third Proportional to 208,972,228 and 487,985,320

Calculator

Solution

The third proportional to 208,972,228 and 487,985,320 is: 1,139,527,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,972,228 : 487,985,320 = 487,985,320 : x
  2. Step 2: Convert to fraction form
    208,972,228/487,985,320 = 487,985,320/x
  3. Step 3: Cross multiply
    208,972,228x = 487,985,320 × 487,985,320
  4. Step 4: Simplify right side
    208,972,228x = 238,129,672,535,502,400
  5. Step 5: Solve for x
    x = 238,129,672,535,502,400/208,972,228
  6. Step 6: Final answer
    x = 1,139,527,844.51

Related Problems

Find third proportional to 104,486,114 and 243,992,660
Half scale
Find third proportional to 417,944,456 and 975,970,640
Double scale
Find third proportional to 208,972,230 and 487,985,325
Similar ratio
Find third proportional to 313,458,342 and 731,977,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.