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Finding the Third Proportional to 61,762 and 137,348

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Solution

The third proportional to 61,762 and 137,348 is: 305,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762 : 137,348 = 137,348 : x
  2. Step 2: Convert to fraction form
    61,762/137,348 = 137,348/x
  3. Step 3: Cross multiply
    61,762x = 137,348 × 137,348
  4. Step 4: Simplify right side
    61,762x = 18,864,473,104
  5. Step 5: Solve for x
    x = 18,864,473,104/61,762
  6. Step 6: Final answer
    x = 305,438.18

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.