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Finding the Third Proportional to 527,771 and 817,562

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Solution

The third proportional to 527,771 and 817,562 is: 1,266,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,771 : 817,562 = 817,562 : x
  2. Step 2: Convert to fraction form
    527,771/817,562 = 817,562/x
  3. Step 3: Cross multiply
    527,771x = 817,562 × 817,562
  4. Step 4: Simplify right side
    527,771x = 668,407,623,844
  5. Step 5: Solve for x
    x = 668,407,623,844/527,771
  6. Step 6: Final answer
    x = 1,266,472.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.