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Finding the Third Proportional to 826,512 and 1,276,617

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Solution

The third proportional to 826,512 and 1,276,617 is: 1,971,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,512 : 1,276,617 = 1,276,617 : x
  2. Step 2: Convert to fraction form
    826,512/1,276,617 = 1,276,617/x
  3. Step 3: Cross multiply
    826,512x = 1,276,617 × 1,276,617
  4. Step 4: Simplify right side
    826,512x = 1,629,750,964,689
  5. Step 5: Solve for x
    x = 1,629,750,964,689/826,512
  6. Step 6: Final answer
    x = 1,971,841.87

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.