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Finding the Third Proportional to 547,262 and 818,691

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Solution

The third proportional to 547,262 and 818,691 is: 1,224,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,262 : 818,691 = 818,691 : x
  2. Step 2: Convert to fraction form
    547,262/818,691 = 818,691/x
  3. Step 3: Cross multiply
    547,262x = 818,691 × 818,691
  4. Step 4: Simplify right side
    547,262x = 670,254,953,481
  5. Step 5: Solve for x
    x = 670,254,953,481/547,262
  6. Step 6: Final answer
    x = 1,224,742.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.