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Finding the Third Proportional to 578,059.88 and 1,218,439.13

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Solution

The third proportional to 578,059.88 and 1,218,439.13 is: 2,568,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,059.88 : 1,218,439.13 = 1,218,439.13 : x
  2. Step 2: Convert to fraction form
    578,059.88/1,218,439.13 = 1,218,439.13/x
  3. Step 3: Cross multiply
    578,059.88x = 1,218,439.13 × 1,218,439.13
  4. Step 4: Simplify right side
    578,059.88x = 1,484,593,901,330.77
  5. Step 5: Solve for x
    x = 1,484,593,901,330.77/578,059.88
  6. Step 6: Final answer
    x = 2,568,235.52

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.