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Finding the Third Proportional to 181,966.50 and 290,668.50

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Solution

The third proportional to 181,966.50 and 290,668.50 is: 464,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,966.50 : 290,668.50 = 290,668.50 : x
  2. Step 2: Convert to fraction form
    181,966.50/290,668.50 = 290,668.50/x
  3. Step 3: Cross multiply
    181,966.50x = 290,668.50 × 290,668.50
  4. Step 4: Simplify right side
    181,966.50x = 84,488,176,892.25
  5. Step 5: Solve for x
    x = 84,488,176,892.25/181,966.50
  6. Step 6: Final answer
    x = 464,306.22

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.