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Finding the Third Proportional to 63,459 and 136,487

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Solution

The third proportional to 63,459 and 136,487 is: 293,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,459 : 136,487 = 136,487 : x
  2. Step 2: Convert to fraction form
    63,459/136,487 = 136,487/x
  3. Step 3: Cross multiply
    63,459x = 136,487 × 136,487
  4. Step 4: Simplify right side
    63,459x = 18,628,701,169
  5. Step 5: Solve for x
    x = 18,628,701,169/63,459
  6. Step 6: Final answer
    x = 293,554.91

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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.