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Finding the Third Proportional to 64,617 and 137,051

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Solution

The third proportional to 64,617 and 137,051 is: 290,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,617 : 137,051 = 137,051 : x
  2. Step 2: Convert to fraction form
    64,617/137,051 = 137,051/x
  3. Step 3: Cross multiply
    64,617x = 137,051 × 137,051
  4. Step 4: Simplify right side
    64,617x = 18,782,976,601
  5. Step 5: Solve for x
    x = 18,782,976,601/64,617
  6. Step 6: Final answer
    x = 290,681.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.