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Finding the Third Proportional to 75,288 and 112,927.50

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Solution

The third proportional to 75,288 and 112,927.50 is: 169,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,288 : 112,927.50 = 112,927.50 : x
  2. Step 2: Convert to fraction form
    75,288/112,927.50 = 112,927.50/x
  3. Step 3: Cross multiply
    75,288x = 112,927.50 × 112,927.50
  4. Step 4: Simplify right side
    75,288x = 12,752,620,256.25
  5. Step 5: Solve for x
    x = 12,752,620,256.25/75,288
  6. Step 6: Final answer
    x = 169,384.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.