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Finding the Third Proportional to 827,218 and 1,247,739

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Solution

The third proportional to 827,218 and 1,247,739 is: 1,882,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,218 : 1,247,739 = 1,247,739 : x
  2. Step 2: Convert to fraction form
    827,218/1,247,739 = 1,247,739/x
  3. Step 3: Cross multiply
    827,218x = 1,247,739 × 1,247,739
  4. Step 4: Simplify right side
    827,218x = 1,556,852,612,121
  5. Step 5: Solve for x
    x = 1,556,852,612,121/827,218
  6. Step 6: Final answer
    x = 1,882,034.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.