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Finding the Third Proportional to 57,921,084 and 84,988,092

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Solution

The third proportional to 57,921,084 and 84,988,092 is: 124,703,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921,084 : 84,988,092 = 84,988,092 : x
  2. Step 2: Convert to fraction form
    57,921,084/84,988,092 = 84,988,092/x
  3. Step 3: Cross multiply
    57,921,084x = 84,988,092 × 84,988,092
  4. Step 4: Simplify right side
    57,921,084x = 7,222,975,781,800,464
  5. Step 5: Solve for x
    x = 7,222,975,781,800,464/57,921,084
  6. Step 6: Final answer
    x = 124,703,739.69

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.