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Finding the Third Proportional to 317,952 and 672,711.75

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Solution

The third proportional to 317,952 and 672,711.75 is: 1,423,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,952 : 672,711.75 = 672,711.75 : x
  2. Step 2: Convert to fraction form
    317,952/672,711.75 = 672,711.75/x
  3. Step 3: Cross multiply
    317,952x = 672,711.75 × 672,711.75
  4. Step 4: Simplify right side
    317,952x = 452,541,098,588.06
  5. Step 5: Solve for x
    x = 452,541,098,588.06/317,952
  6. Step 6: Final answer
    x = 1,423,300.05

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.