Home / 222,588-487,620

Finding the Third Proportional to 222,588 and 487,620

Calculator

Solution

The third proportional to 222,588 and 487,620 is: 1,068,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,588 : 487,620 = 487,620 : x
  2. Step 2: Convert to fraction form
    222,588/487,620 = 487,620/x
  3. Step 3: Cross multiply
    222,588x = 487,620 × 487,620
  4. Step 4: Simplify right side
    222,588x = 237,773,264,400
  5. Step 5: Solve for x
    x = 237,773,264,400/222,588
  6. Step 6: Final answer
    x = 1,068,221.40

Related Problems

Find third proportional to 111,294 and 243,810
Half scale
Find third proportional to 445,176 and 975,240
Double scale
Find third proportional to 222,590 and 487,624
Similar ratio
Find third proportional to 333,882 and 731,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.