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Finding the Third Proportional to 92,195.72 and 139,141.13

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Solution

The third proportional to 92,195.72 and 139,141.13 is: 209,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,195.72 : 139,141.13 = 139,141.13 : x
  2. Step 2: Convert to fraction form
    92,195.72/139,141.13 = 139,141.13/x
  3. Step 3: Cross multiply
    92,195.72x = 139,141.13 × 139,141.13
  4. Step 4: Simplify right side
    92,195.72x = 19,360,252,666.27
  5. Step 5: Solve for x
    x = 19,360,252,666.27/92,195.72
  6. Step 6: Final answer
    x = 209,990.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.