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Finding the Third Proportional to 775,018.13 and 1,131,909.19

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Solution

The third proportional to 775,018.13 and 1,131,909.19 is: 1,653,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,018.13 : 1,131,909.19 = 1,131,909.19 : x
  2. Step 2: Convert to fraction form
    775,018.13/1,131,909.19 = 1,131,909.19/x
  3. Step 3: Cross multiply
    775,018.13x = 1,131,909.19 × 1,131,909.19
  4. Step 4: Simplify right side
    775,018.13x = 1,281,218,408,746.91
  5. Step 5: Solve for x
    x = 1,281,218,408,746.91/775,018.13
  6. Step 6: Final answer
    x = 1,653,146.38

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.