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Finding the Third Proportional to 858,131 and 1,165,443

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Solution

The third proportional to 858,131 and 1,165,443 is: 1,582,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,131 : 1,165,443 = 1,165,443 : x
  2. Step 2: Convert to fraction form
    858,131/1,165,443 = 1,165,443/x
  3. Step 3: Cross multiply
    858,131x = 1,165,443 × 1,165,443
  4. Step 4: Simplify right side
    858,131x = 1,358,257,386,249
  5. Step 5: Solve for x
    x = 1,358,257,386,249/858,131
  6. Step 6: Final answer
    x = 1,582,808.90

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.