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Finding the Third Proportional to 1,448,641.13 and 3,121,471.69

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Solution

The third proportional to 1,448,641.13 and 3,121,471.69 is: 6,726,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,641.13 : 3,121,471.69 = 3,121,471.69 : x
  2. Step 2: Convert to fraction form
    1,448,641.13/3,121,471.69 = 3,121,471.69/x
  3. Step 3: Cross multiply
    1,448,641.13x = 3,121,471.69 × 3,121,471.69
  4. Step 4: Simplify right side
    1,448,641.13x = 9,743,585,495,864.10
  5. Step 5: Solve for x
    x = 9,743,585,495,864.10/1,448,641.13
  6. Step 6: Final answer
    x = 6,726,017.46

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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.