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Finding the Third Proportional to 150,001.88 and 219,079.69

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Solution

The third proportional to 150,001.88 and 219,079.69 is: 319,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.88 : 219,079.69 = 219,079.69 : x
  2. Step 2: Convert to fraction form
    150,001.88/219,079.69 = 219,079.69/x
  3. Step 3: Cross multiply
    150,001.88x = 219,079.69 × 219,079.69
  4. Step 4: Simplify right side
    150,001.88x = 47,995,909,475.10
  5. Step 5: Solve for x
    x = 47,995,909,475.10/150,001.88
  6. Step 6: Final answer
    x = 319,968.73

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.