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Finding the Third Proportional to 316,552 and 683,045

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Solution

The third proportional to 316,552 and 683,045 is: 1,473,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,552 : 683,045 = 683,045 : x
  2. Step 2: Convert to fraction form
    316,552/683,045 = 683,045/x
  3. Step 3: Cross multiply
    316,552x = 683,045 × 683,045
  4. Step 4: Simplify right side
    316,552x = 466,550,472,025
  5. Step 5: Solve for x
    x = 466,550,472,025/316,552
  6. Step 6: Final answer
    x = 1,473,850.97

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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.