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Finding the Third Proportional to 60,438 and 130,918

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Solution

The third proportional to 60,438 and 130,918 is: 283,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,438 : 130,918 = 130,918 : x
  2. Step 2: Convert to fraction form
    60,438/130,918 = 130,918/x
  3. Step 3: Cross multiply
    60,438x = 130,918 × 130,918
  4. Step 4: Simplify right side
    60,438x = 17,139,522,724
  5. Step 5: Solve for x
    x = 17,139,522,724/60,438
  6. Step 6: Final answer
    x = 283,588.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.