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Finding the Third Proportional to 317,190 and 432,033

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Solution

The third proportional to 317,190 and 432,033 is: 588,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,190 : 432,033 = 432,033 : x
  2. Step 2: Convert to fraction form
    317,190/432,033 = 432,033/x
  3. Step 3: Cross multiply
    317,190x = 432,033 × 432,033
  4. Step 4: Simplify right side
    317,190x = 186,652,513,089
  5. Step 5: Solve for x
    x = 186,652,513,089/317,190
  6. Step 6: Final answer
    x = 588,456.49

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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.