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Finding the Third Proportional to 82,220.50 and 123,001

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Solution

The third proportional to 82,220.50 and 123,001 is: 184,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,220.50 : 123,001 = 123,001 : x
  2. Step 2: Convert to fraction form
    82,220.50/123,001 = 123,001/x
  3. Step 3: Cross multiply
    82,220.50x = 123,001 × 123,001
  4. Step 4: Simplify right side
    82,220.50x = 15,129,246,001
  5. Step 5: Solve for x
    x = 15,129,246,001/82,220.50
  6. Step 6: Final answer
    x = 184,008.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.