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Finding the Third Proportional to 543,571 and 1,278,989

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Solution

The third proportional to 543,571 and 1,278,989 is: 3,009,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,571 : 1,278,989 = 1,278,989 : x
  2. Step 2: Convert to fraction form
    543,571/1,278,989 = 1,278,989/x
  3. Step 3: Cross multiply
    543,571x = 1,278,989 × 1,278,989
  4. Step 4: Simplify right side
    543,571x = 1,635,812,862,121
  5. Step 5: Solve for x
    x = 1,635,812,862,121/543,571
  6. Step 6: Final answer
    x = 3,009,382.15

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.