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Finding the Third Proportional to 121,593 and 181,901.50

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Solution

The third proportional to 121,593 and 181,901.50 is: 272,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,593 : 181,901.50 = 181,901.50 : x
  2. Step 2: Convert to fraction form
    121,593/181,901.50 = 181,901.50/x
  3. Step 3: Cross multiply
    121,593x = 181,901.50 × 181,901.50
  4. Step 4: Simplify right side
    121,593x = 33,088,155,702.25
  5. Step 5: Solve for x
    x = 33,088,155,702.25/121,593
  6. Step 6: Final answer
    x = 272,122.21

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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.