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Finding the Third Proportional to 407,750 and 867,986

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Solution

The third proportional to 407,750 and 867,986 is: 1,847,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,750 : 867,986 = 867,986 : x
  2. Step 2: Convert to fraction form
    407,750/867,986 = 867,986/x
  3. Step 3: Cross multiply
    407,750x = 867,986 × 867,986
  4. Step 4: Simplify right side
    407,750x = 753,399,696,196
  5. Step 5: Solve for x
    x = 753,399,696,196/407,750
  6. Step 6: Final answer
    x = 1,847,700.05

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.