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Finding the Third Proportional to 1,121,652.56 and 2,446,311.38

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Solution

The third proportional to 1,121,652.56 and 2,446,311.38 is: 5,335,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,652.56 : 2,446,311.38 = 2,446,311.38 : x
  2. Step 2: Convert to fraction form
    1,121,652.56/2,446,311.38 = 2,446,311.38/x
  3. Step 3: Cross multiply
    1,121,652.56x = 2,446,311.38 × 2,446,311.38
  4. Step 4: Simplify right side
    1,121,652.56x = 5,984,439,343,454.39
  5. Step 5: Solve for x
    x = 5,984,439,343,454.39/1,121,652.56
  6. Step 6: Final answer
    x = 5,335,377.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.