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Finding the Third Proportional to 79,005 and 121,882.50

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Solution

The third proportional to 79,005 and 121,882.50 is: 188,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,005 : 121,882.50 = 121,882.50 : x
  2. Step 2: Convert to fraction form
    79,005/121,882.50 = 121,882.50/x
  3. Step 3: Cross multiply
    79,005x = 121,882.50 × 121,882.50
  4. Step 4: Simplify right side
    79,005x = 14,855,343,806.25
  5. Step 5: Solve for x
    x = 14,855,343,806.25/79,005
  6. Step 6: Final answer
    x = 188,030.43

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.