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Finding the Third Proportional to 79,045.88 and 121,484.81

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Solution

The third proportional to 79,045.88 and 121,484.81 is: 186,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.88 : 121,484.81 = 121,484.81 : x
  2. Step 2: Convert to fraction form
    79,045.88/121,484.81 = 121,484.81/x
  3. Step 3: Cross multiply
    79,045.88x = 121,484.81 × 121,484.81
  4. Step 4: Simplify right side
    79,045.88x = 14,758,559,668.16
  5. Step 5: Solve for x
    x = 14,758,559,668.16/79,045.88
  6. Step 6: Final answer
    x = 186,708.79

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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.