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Finding the Third Proportional to 50,510.75 and 78,425.75

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Solution

The third proportional to 50,510.75 and 78,425.75 is: 121,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,510.75 : 78,425.75 = 78,425.75 : x
  2. Step 2: Convert to fraction form
    50,510.75/78,425.75 = 78,425.75/x
  3. Step 3: Cross multiply
    50,510.75x = 78,425.75 × 78,425.75
  4. Step 4: Simplify right side
    50,510.75x = 6,150,598,263.06
  5. Step 5: Solve for x
    x = 6,150,598,263.06/50,510.75
  6. Step 6: Final answer
    x = 121,768.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.