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Finding the Third Proportional to 638,003,344.50 and 955,940,676.75

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Solution

The third proportional to 638,003,344.50 and 955,940,676.75 is: 1,432,316,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,003,344.50 : 955,940,676.75 = 955,940,676.75 : x
  2. Step 2: Convert to fraction form
    638,003,344.50/955,940,676.75 = 955,940,676.75/x
  3. Step 3: Cross multiply
    638,003,344.50x = 955,940,676.75 × 955,940,676.75
  4. Step 4: Simplify right side
    638,003,344.50x = 913,822,577,465,248,000
  5. Step 5: Solve for x
    x = 913,822,577,465,248,000/638,003,344.50
  6. Step 6: Final answer
    x = 1,432,316,280.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.