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Finding the Third Proportional to 181,927.50 and 391,215.75

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Solution

The third proportional to 181,927.50 and 391,215.75 is: 841,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,927.50 : 391,215.75 = 391,215.75 : x
  2. Step 2: Convert to fraction form
    181,927.50/391,215.75 = 391,215.75/x
  3. Step 3: Cross multiply
    181,927.50x = 391,215.75 × 391,215.75
  4. Step 4: Simplify right side
    181,927.50x = 153,049,763,048.06
  5. Step 5: Solve for x
    x = 153,049,763,048.06/181,927.50
  6. Step 6: Final answer
    x = 841,267.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.