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Finding the Third Proportional to 1,602,078.75 and 2,479,825.13

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Solution

The third proportional to 1,602,078.75 and 2,479,825.13 is: 3,838,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,078.75 : 2,479,825.13 = 2,479,825.13 : x
  2. Step 2: Convert to fraction form
    1,602,078.75/2,479,825.13 = 2,479,825.13/x
  3. Step 3: Cross multiply
    1,602,078.75x = 2,479,825.13 × 2,479,825.13
  4. Step 4: Simplify right side
    1,602,078.75x = 6,149,532,650,581.27
  5. Step 5: Solve for x
    x = 6,149,532,650,581.27/1,602,078.75
  6. Step 6: Final answer
    x = 3,838,470.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.