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Finding the Third Proportional to 74,451 and 160,567

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Solution

The third proportional to 74,451 and 160,567 is: 346,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,451 : 160,567 = 160,567 : x
  2. Step 2: Convert to fraction form
    74,451/160,567 = 160,567/x
  3. Step 3: Cross multiply
    74,451x = 160,567 × 160,567
  4. Step 4: Simplify right side
    74,451x = 25,781,761,489
  5. Step 5: Solve for x
    x = 25,781,761,489/74,451
  6. Step 6: Final answer
    x = 346,291.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.