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Finding the Third Proportional to 672,687 and 1,011,855

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Solution

The third proportional to 672,687 and 1,011,855 is: 1,522,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,687 : 1,011,855 = 1,011,855 : x
  2. Step 2: Convert to fraction form
    672,687/1,011,855 = 1,011,855/x
  3. Step 3: Cross multiply
    672,687x = 1,011,855 × 1,011,855
  4. Step 4: Simplify right side
    672,687x = 1,023,850,541,025
  5. Step 5: Solve for x
    x = 1,023,850,541,025/672,687
  6. Step 6: Final answer
    x = 1,522,031.11

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