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Finding the Third Proportional to 1,249,081 and 2,687,611

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Solution

The third proportional to 1,249,081 and 2,687,611 is: 5,782,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,081 : 2,687,611 = 2,687,611 : x
  2. Step 2: Convert to fraction form
    1,249,081/2,687,611 = 2,687,611/x
  3. Step 3: Cross multiply
    1,249,081x = 2,687,611 × 2,687,611
  4. Step 4: Simplify right side
    1,249,081x = 7,223,252,887,321
  5. Step 5: Solve for x
    x = 7,223,252,887,321/1,249,081
  6. Step 6: Final answer
    x = 5,782,853.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.