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Finding the Third Proportional to 556,675 and 1,240,843

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Solution

The third proportional to 556,675 and 1,240,843 is: 2,765,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,675 : 1,240,843 = 1,240,843 : x
  2. Step 2: Convert to fraction form
    556,675/1,240,843 = 1,240,843/x
  3. Step 3: Cross multiply
    556,675x = 1,240,843 × 1,240,843
  4. Step 4: Simplify right side
    556,675x = 1,539,691,350,649
  5. Step 5: Solve for x
    x = 1,539,691,350,649/556,675
  6. Step 6: Final answer
    x = 2,765,871.20

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.