Home / 231,139-497,270

Finding the Third Proportional to 231,139 and 497,270

Calculator

Solution

The third proportional to 231,139 and 497,270 is: 1,069,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,139 : 497,270 = 497,270 : x
  2. Step 2: Convert to fraction form
    231,139/497,270 = 497,270/x
  3. Step 3: Cross multiply
    231,139x = 497,270 × 497,270
  4. Step 4: Simplify right side
    231,139x = 247,277,452,900
  5. Step 5: Solve for x
    x = 247,277,452,900/231,139
  6. Step 6: Final answer
    x = 1,069,821.42

Related Problems

Find third proportional to 115,569.50 and 248,635
Half scale
Find third proportional to 462,278 and 994,540
Double scale
Find third proportional to 231,141 and 497,274
Similar ratio
Find third proportional to 346,708.50 and 745,905
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.