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Finding the Third Proportional to 771,616.13 and 1,172,814.19

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Solution

The third proportional to 771,616.13 and 1,172,814.19 is: 1,782,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,616.13 : 1,172,814.19 = 1,172,814.19 : x
  2. Step 2: Convert to fraction form
    771,616.13/1,172,814.19 = 1,172,814.19/x
  3. Step 3: Cross multiply
    771,616.13x = 1,172,814.19 × 1,172,814.19
  4. Step 4: Simplify right side
    771,616.13x = 1,375,493,118,401.29
  5. Step 5: Solve for x
    x = 1,375,493,118,401.29/771,616.13
  6. Step 6: Final answer
    x = 1,782,613.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.