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Finding the Third Proportional to 527,212 and 817,035

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Solution

The third proportional to 527,212 and 817,035 is: 1,266,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,212 : 817,035 = 817,035 : x
  2. Step 2: Convert to fraction form
    527,212/817,035 = 817,035/x
  3. Step 3: Cross multiply
    527,212x = 817,035 × 817,035
  4. Step 4: Simplify right side
    527,212x = 667,546,191,225
  5. Step 5: Solve for x
    x = 667,546,191,225/527,212
  6. Step 6: Final answer
    x = 1,266,181.71

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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.