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Finding the Third Proportional to 84,003,432 and 131,776,587

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Solution

The third proportional to 84,003,432 and 131,776,587 is: 206,718,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,003,432 : 131,776,587 = 131,776,587 : x
  2. Step 2: Convert to fraction form
    84,003,432/131,776,587 = 131,776,587/x
  3. Step 3: Cross multiply
    84,003,432x = 131,776,587 × 131,776,587
  4. Step 4: Simplify right side
    84,003,432x = 17,365,068,881,368,568
  5. Step 5: Solve for x
    x = 17,365,068,881,368,568/84,003,432
  6. Step 6: Final answer
    x = 206,718,564.56

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.