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Finding the Third Proportional to 317,596 and 432,654

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Solution

The third proportional to 317,596 and 432,654 is: 589,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,596 : 432,654 = 432,654 : x
  2. Step 2: Convert to fraction form
    317,596/432,654 = 432,654/x
  3. Step 3: Cross multiply
    317,596x = 432,654 × 432,654
  4. Step 4: Simplify right side
    317,596x = 187,189,483,716
  5. Step 5: Solve for x
    x = 187,189,483,716/317,596
  6. Step 6: Final answer
    x = 589,394.97

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.