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Finding the Third Proportional to 79,434.50 and 116,478.75

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Solution

The third proportional to 79,434.50 and 116,478.75 is: 170,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,434.50 : 116,478.75 = 116,478.75 : x
  2. Step 2: Convert to fraction form
    79,434.50/116,478.75 = 116,478.75/x
  3. Step 3: Cross multiply
    79,434.50x = 116,478.75 × 116,478.75
  4. Step 4: Simplify right side
    79,434.50x = 13,567,299,201.56
  5. Step 5: Solve for x
    x = 13,567,299,201.56/79,434.50
  6. Step 6: Final answer
    x = 170,798.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.