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Finding the Third Proportional to 987,394,176 and 2,123,387,712

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Solution

The third proportional to 987,394,176 and 2,123,387,712 is: 4,566,337,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,394,176 : 2,123,387,712 = 2,123,387,712 : x
  2. Step 2: Convert to fraction form
    987,394,176/2,123,387,712 = 2,123,387,712/x
  3. Step 3: Cross multiply
    987,394,176x = 2,123,387,712 × 2,123,387,712
  4. Step 4: Simplify right side
    987,394,176x = 4,508,775,375,472,594,944
  5. Step 5: Solve for x
    x = 4,508,775,375,472,594,944/987,394,176
  6. Step 6: Final answer
    x = 4,566,337,826.44

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.