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Finding the Third Proportional to 74,482.50 and 161,472

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Solution

The third proportional to 74,482.50 and 161,472 is: 350,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,482.50 : 161,472 = 161,472 : x
  2. Step 2: Convert to fraction form
    74,482.50/161,472 = 161,472/x
  3. Step 3: Cross multiply
    74,482.50x = 161,472 × 161,472
  4. Step 4: Simplify right side
    74,482.50x = 26,073,206,784
  5. Step 5: Solve for x
    x = 26,073,206,784/74,482.50
  6. Step 6: Final answer
    x = 350,058.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.