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Finding the Third Proportional to 40,373 and 62,729

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Solution

The third proportional to 40,373 and 62,729 is: 97,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,373 : 62,729 = 62,729 : x
  2. Step 2: Convert to fraction form
    40,373/62,729 = 62,729/x
  3. Step 3: Cross multiply
    40,373x = 62,729 × 62,729
  4. Step 4: Simplify right side
    40,373x = 3,934,927,441
  5. Step 5: Solve for x
    x = 3,934,927,441/40,373
  6. Step 6: Final answer
    x = 97,464.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.