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Finding the Third Proportional to 877.08 and 1,930.71

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Solution

The third proportional to 877.08 and 1,930.71 is: 4,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    877.08 : 1,930.71 = 1,930.71 : x
  2. Step 2: Convert to fraction form
    877.08/1,930.71 = 1,930.71/x
  3. Step 3: Cross multiply
    877.08x = 1,930.71 × 1,930.71
  4. Step 4: Simplify right side
    877.08x = 3,727,644.72
  5. Step 5: Solve for x
    x = 3,727,644.72/877.08
  6. Step 6: Final answer
    x = 4,250.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.