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Finding the Third Proportional to 112,386.75 and 239,076.75

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Solution

The third proportional to 112,386.75 and 239,076.75 is: 508,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,386.75 : 239,076.75 = 239,076.75 : x
  2. Step 2: Convert to fraction form
    112,386.75/239,076.75 = 239,076.75/x
  3. Step 3: Cross multiply
    112,386.75x = 239,076.75 × 239,076.75
  4. Step 4: Simplify right side
    112,386.75x = 57,157,692,390.56
  5. Step 5: Solve for x
    x = 57,157,692,390.56/112,386.75
  6. Step 6: Final answer
    x = 508,580.35

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.