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Finding the Third Proportional to 152,195.50 and 216,331.50

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Solution

The third proportional to 152,195.50 and 216,331.50 is: 307,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,195.50 : 216,331.50 = 216,331.50 : x
  2. Step 2: Convert to fraction form
    152,195.50/216,331.50 = 216,331.50/x
  3. Step 3: Cross multiply
    152,195.50x = 216,331.50 × 216,331.50
  4. Step 4: Simplify right side
    152,195.50x = 46,799,317,892.25
  5. Step 5: Solve for x
    x = 46,799,317,892.25/152,195.50
  6. Step 6: Final answer
    x = 307,494.75

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.