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Finding the Third Proportional to 51,150 and 77,793

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Solution

The third proportional to 51,150 and 77,793 is: 118,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,150 : 77,793 = 77,793 : x
  2. Step 2: Convert to fraction form
    51,150/77,793 = 77,793/x
  3. Step 3: Cross multiply
    51,150x = 77,793 × 77,793
  4. Step 4: Simplify right side
    51,150x = 6,051,750,849
  5. Step 5: Solve for x
    x = 6,051,750,849/51,150
  6. Step 6: Final answer
    x = 118,313.80

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.