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Finding the Third Proportional to 98,190 and 150,139.13

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Solution

The third proportional to 98,190 and 150,139.13 is: 229,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,190 : 150,139.13 = 150,139.13 : x
  2. Step 2: Convert to fraction form
    98,190/150,139.13 = 150,139.13/x
  3. Step 3: Cross multiply
    98,190x = 150,139.13 × 150,139.13
  4. Step 4: Simplify right side
    98,190x = 22,541,756,855.77
  5. Step 5: Solve for x
    x = 22,541,756,855.77/98,190
  6. Step 6: Final answer
    x = 229,572.84

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.