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Finding the Third Proportional to 160,769 and 353,065

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Solution

The third proportional to 160,769 and 353,065 is: 775,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,769 : 353,065 = 353,065 : x
  2. Step 2: Convert to fraction form
    160,769/353,065 = 353,065/x
  3. Step 3: Cross multiply
    160,769x = 353,065 × 353,065
  4. Step 4: Simplify right side
    160,769x = 124,654,894,225
  5. Step 5: Solve for x
    x = 124,654,894,225/160,769
  6. Step 6: Final answer
    x = 775,366.48

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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.