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Finding the Third Proportional to 155,331 and 322,552.13

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Solution

The third proportional to 155,331 and 322,552.13 is: 669,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,331 : 322,552.13 = 322,552.13 : x
  2. Step 2: Convert to fraction form
    155,331/322,552.13 = 322,552.13/x
  3. Step 3: Cross multiply
    155,331x = 322,552.13 × 322,552.13
  4. Step 4: Simplify right side
    155,331x = 104,039,873,342.02
  5. Step 5: Solve for x
    x = 104,039,873,342.02/155,331
  6. Step 6: Final answer
    x = 669,794.65

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.