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Finding the Third Proportional to 70,672.50 and 153,829.13

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Solution

The third proportional to 70,672.50 and 153,829.13 is: 334,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,672.50 : 153,829.13 = 153,829.13 : x
  2. Step 2: Convert to fraction form
    70,672.50/153,829.13 = 153,829.13/x
  3. Step 3: Cross multiply
    70,672.50x = 153,829.13 × 153,829.13
  4. Step 4: Simplify right side
    70,672.50x = 23,663,399,698.27
  5. Step 5: Solve for x
    x = 23,663,399,698.27/70,672.50
  6. Step 6: Final answer
    x = 334,831.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.