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Finding the Third Proportional to 1,257,720 and 2,714,628

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Solution

The third proportional to 1,257,720 and 2,714,628 is: 5,859,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,720 : 2,714,628 = 2,714,628 : x
  2. Step 2: Convert to fraction form
    1,257,720/2,714,628 = 2,714,628/x
  3. Step 3: Cross multiply
    1,257,720x = 2,714,628 × 2,714,628
  4. Step 4: Simplify right side
    1,257,720x = 7,369,205,178,384
  5. Step 5: Solve for x
    x = 7,369,205,178,384/1,257,720
  6. Step 6: Final answer
    x = 5,859,177.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.