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Finding the Third Proportional to 1,288,440 and 2,747,506.50

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Solution

The third proportional to 1,288,440 and 2,747,506.50 is: 5,858,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,440 : 2,747,506.50 = 2,747,506.50 : x
  2. Step 2: Convert to fraction form
    1,288,440/2,747,506.50 = 2,747,506.50/x
  3. Step 3: Cross multiply
    1,288,440x = 2,747,506.50 × 2,747,506.50
  4. Step 4: Simplify right side
    1,288,440x = 7,548,791,967,542.25
  5. Step 5: Solve for x
    x = 7,548,791,967,542.25/1,288,440
  6. Step 6: Final answer
    x = 5,858,861.85

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.