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Finding the Third Proportional to 149,718.38 and 328,141.13

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Solution

The third proportional to 149,718.38 and 328,141.13 is: 719,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,718.38 : 328,141.13 = 328,141.13 : x
  2. Step 2: Convert to fraction form
    149,718.38/328,141.13 = 328,141.13/x
  3. Step 3: Cross multiply
    149,718.38x = 328,141.13 × 328,141.13
  4. Step 4: Simplify right side
    149,718.38x = 107,676,597,916.27
  5. Step 5: Solve for x
    x = 107,676,597,916.27/149,718.38
  6. Step 6: Final answer
    x = 719,194.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.