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Finding the Third Proportional to 2,609,853.25 and 3,992,784

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Solution

The third proportional to 2,609,853.25 and 3,992,784 is: 6,108,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,853.25 : 3,992,784 = 3,992,784 : x
  2. Step 2: Convert to fraction form
    2,609,853.25/3,992,784 = 3,992,784/x
  3. Step 3: Cross multiply
    2,609,853.25x = 3,992,784 × 3,992,784
  4. Step 4: Simplify right side
    2,609,853.25x = 15,942,324,070,656
  5. Step 5: Solve for x
    x = 15,942,324,070,656/2,609,853.25
  6. Step 6: Final answer
    x = 6,108,513.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.