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Finding the Third Proportional to 62,889 and 136,690

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Solution

The third proportional to 62,889 and 136,690 is: 297,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889 : 136,690 = 136,690 : x
  2. Step 2: Convert to fraction form
    62,889/136,690 = 136,690/x
  3. Step 3: Cross multiply
    62,889x = 136,690 × 136,690
  4. Step 4: Simplify right side
    62,889x = 18,684,156,100
  5. Step 5: Solve for x
    x = 18,684,156,100/62,889
  6. Step 6: Final answer
    x = 297,097.36

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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.