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Finding the Third Proportional to 317,482 and 479,464

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Solution

The third proportional to 317,482 and 479,464 is: 724,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,482 : 479,464 = 479,464 : x
  2. Step 2: Convert to fraction form
    317,482/479,464 = 479,464/x
  3. Step 3: Cross multiply
    317,482x = 479,464 × 479,464
  4. Step 4: Simplify right side
    317,482x = 229,885,727,296
  5. Step 5: Solve for x
    x = 229,885,727,296/317,482
  6. Step 6: Final answer
    x = 724,090.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.