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Finding the Third Proportional to 40,455.19 and 62,812.81

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Solution

The third proportional to 40,455.19 and 62,812.81 is: 97,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.19 : 62,812.81 = 62,812.81 : x
  2. Step 2: Convert to fraction form
    40,455.19/62,812.81 = 62,812.81/x
  3. Step 3: Cross multiply
    40,455.19x = 62,812.81 × 62,812.81
  4. Step 4: Simplify right side
    40,455.19x = 3,945,449,414.16
  5. Step 5: Solve for x
    x = 3,945,449,414.16/40,455.19
  6. Step 6: Final answer
    x = 97,526.42

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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.