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Finding the Third Proportional to 61,481 and 133,411

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Solution

The third proportional to 61,481 and 133,411 is: 289,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,481 : 133,411 = 133,411 : x
  2. Step 2: Convert to fraction form
    61,481/133,411 = 133,411/x
  3. Step 3: Cross multiply
    61,481x = 133,411 × 133,411
  4. Step 4: Simplify right side
    61,481x = 17,798,494,921
  5. Step 5: Solve for x
    x = 17,798,494,921/61,481
  6. Step 6: Final answer
    x = 289,495.86

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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.