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Finding the Third Proportional to 160,685.75 and 306,791.50

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Solution

The third proportional to 160,685.75 and 306,791.50 is: 585,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,685.75 : 306,791.50 = 306,791.50 : x
  2. Step 2: Convert to fraction form
    160,685.75/306,791.50 = 306,791.50/x
  3. Step 3: Cross multiply
    160,685.75x = 306,791.50 × 306,791.50
  4. Step 4: Simplify right side
    160,685.75x = 94,121,024,472.25
  5. Step 5: Solve for x
    x = 94,121,024,472.25/160,685.75
  6. Step 6: Final answer
    x = 585,745.93

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.