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Finding the Third Proportional to 1,471,153.50 and 3,167,738.44

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Solution

The third proportional to 1,471,153.50 and 3,167,738.44 is: 6,820,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,153.50 : 3,167,738.44 = 3,167,738.44 : x
  2. Step 2: Convert to fraction form
    1,471,153.50/3,167,738.44 = 3,167,738.44/x
  3. Step 3: Cross multiply
    1,471,153.50x = 3,167,738.44 × 3,167,738.44
  4. Step 4: Simplify right side
    1,471,153.50x = 10,034,566,808,414.94
  5. Step 5: Solve for x
    x = 10,034,566,808,414.94/1,471,153.50
  6. Step 6: Final answer
    x = 6,820,883.62

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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.