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Finding the Third Proportional to 40,718.53 and 61,398.11

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Solution

The third proportional to 40,718.53 and 61,398.11 is: 92,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,718.53 : 61,398.11 = 61,398.11 : x
  2. Step 2: Convert to fraction form
    40,718.53/61,398.11 = 61,398.11/x
  3. Step 3: Cross multiply
    40,718.53x = 61,398.11 × 61,398.11
  4. Step 4: Simplify right side
    40,718.53x = 3,769,727,355.15
  5. Step 5: Solve for x
    x = 3,769,727,355.15/40,718.53
  6. Step 6: Final answer
    x = 92,580.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.