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Finding the Third Proportional to 847,086 and 1,242,372

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Solution

The third proportional to 847,086 and 1,242,372 is: 1,822,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,086 : 1,242,372 = 1,242,372 : x
  2. Step 2: Convert to fraction form
    847,086/1,242,372 = 1,242,372/x
  3. Step 3: Cross multiply
    847,086x = 1,242,372 × 1,242,372
  4. Step 4: Simplify right side
    847,086x = 1,543,488,186,384
  5. Step 5: Solve for x
    x = 1,543,488,186,384/847,086
  6. Step 6: Final answer
    x = 1,822,115.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.