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Finding the Third Proportional to 316,414 and 682,552

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Solution

The third proportional to 316,414 and 682,552 is: 1,472,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,414 : 682,552 = 682,552 : x
  2. Step 2: Convert to fraction form
    316,414/682,552 = 682,552/x
  3. Step 3: Cross multiply
    316,414x = 682,552 × 682,552
  4. Step 4: Simplify right side
    316,414x = 465,877,232,704
  5. Step 5: Solve for x
    x = 465,877,232,704/316,414
  6. Step 6: Final answer
    x = 1,472,366.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.