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Finding the Third Proportional to 64,116.75 and 100,576.50

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Solution

The third proportional to 64,116.75 and 100,576.50 is: 157,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116.75 : 100,576.50 = 100,576.50 : x
  2. Step 2: Convert to fraction form
    64,116.75/100,576.50 = 100,576.50/x
  3. Step 3: Cross multiply
    64,116.75x = 100,576.50 × 100,576.50
  4. Step 4: Simplify right side
    64,116.75x = 10,115,632,352.25
  5. Step 5: Solve for x
    x = 10,115,632,352.25/64,116.75
  6. Step 6: Final answer
    x = 157,768.95

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.