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Finding the Third Proportional to 74,371.50 and 163,437.75

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Solution

The third proportional to 74,371.50 and 163,437.75 is: 359,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,371.50 : 163,437.75 = 163,437.75 : x
  2. Step 2: Convert to fraction form
    74,371.50/163,437.75 = 163,437.75/x
  3. Step 3: Cross multiply
    74,371.50x = 163,437.75 × 163,437.75
  4. Step 4: Simplify right side
    74,371.50x = 26,711,898,125.06
  5. Step 5: Solve for x
    x = 26,711,898,125.06/74,371.50
  6. Step 6: Final answer
    x = 359,168.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.