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Finding the Third Proportional to 877.50 and 2,073.75

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Solution

The third proportional to 877.50 and 2,073.75 is: 4,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    877.50 : 2,073.75 = 2,073.75 : x
  2. Step 2: Convert to fraction form
    877.50/2,073.75 = 2,073.75/x
  3. Step 3: Cross multiply
    877.50x = 2,073.75 × 2,073.75
  4. Step 4: Simplify right side
    877.50x = 4,300,439.06
  5. Step 5: Solve for x
    x = 4,300,439.06/877.50
  6. Step 6: Final answer
    x = 4,900.79

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.