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Finding the Third Proportional to 89,391,332 and 136,686,126

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Solution

The third proportional to 89,391,332 and 136,686,126 is: 209,003,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,391,332 : 136,686,126 = 136,686,126 : x
  2. Step 2: Convert to fraction form
    89,391,332/136,686,126 = 136,686,126/x
  3. Step 3: Cross multiply
    89,391,332x = 136,686,126 × 136,686,126
  4. Step 4: Simplify right side
    89,391,332x = 18,683,097,040,887,876
  5. Step 5: Solve for x
    x = 18,683,097,040,887,876/89,391,332
  6. Step 6: Final answer
    x = 209,003,452.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.