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Finding the Third Proportional to 40,639.50 and 97,902

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Solution

The third proportional to 40,639.50 and 97,902 is: 235,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.50 : 97,902 = 97,902 : x
  2. Step 2: Convert to fraction form
    40,639.50/97,902 = 97,902/x
  3. Step 3: Cross multiply
    40,639.50x = 97,902 × 97,902
  4. Step 4: Simplify right side
    40,639.50x = 9,584,801,604
  5. Step 5: Solve for x
    x = 9,584,801,604/40,639.50
  6. Step 6: Final answer
    x = 235,849.40

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.