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Finding the Third Proportional to 1,287,752.25 and 2,799,706.88

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Solution

The third proportional to 1,287,752.25 and 2,799,706.88 is: 6,086,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,752.25 : 2,799,706.88 = 2,799,706.88 : x
  2. Step 2: Convert to fraction form
    1,287,752.25/2,799,706.88 = 2,799,706.88/x
  3. Step 3: Cross multiply
    1,287,752.25x = 2,799,706.88 × 2,799,706.88
  4. Step 4: Simplify right side
    1,287,752.25x = 7,838,358,585,922.27
  5. Step 5: Solve for x
    x = 7,838,358,585,922.27/1,287,752.25
  6. Step 6: Final answer
    x = 6,086,852.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.