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Finding the Third Proportional to 1,218,899.25 and 2,625,111

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Solution

The third proportional to 1,218,899.25 and 2,625,111 is: 5,653,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,899.25 : 2,625,111 = 2,625,111 : x
  2. Step 2: Convert to fraction form
    1,218,899.25/2,625,111 = 2,625,111/x
  3. Step 3: Cross multiply
    1,218,899.25x = 2,625,111 × 2,625,111
  4. Step 4: Simplify right side
    1,218,899.25x = 6,891,207,762,321
  5. Step 5: Solve for x
    x = 6,891,207,762,321/1,218,899.25
  6. Step 6: Final answer
    x = 5,653,631.97

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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.