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Finding the Third Proportional to 61,681 and 134,459

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Solution

The third proportional to 61,681 and 134,459 is: 293,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,681 : 134,459 = 134,459 : x
  2. Step 2: Convert to fraction form
    61,681/134,459 = 134,459/x
  3. Step 3: Cross multiply
    61,681x = 134,459 × 134,459
  4. Step 4: Simplify right side
    61,681x = 18,079,222,681
  5. Step 5: Solve for x
    x = 18,079,222,681/61,681
  6. Step 6: Final answer
    x = 293,108.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.