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Finding the Third Proportional to 2,127,720 and 3,270,312

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Solution

The third proportional to 2,127,720 and 3,270,312 is: 5,026,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,720 : 3,270,312 = 3,270,312 : x
  2. Step 2: Convert to fraction form
    2,127,720/3,270,312 = 3,270,312/x
  3. Step 3: Cross multiply
    2,127,720x = 3,270,312 × 3,270,312
  4. Step 4: Simplify right side
    2,127,720x = 10,694,940,577,344
  5. Step 5: Solve for x
    x = 10,694,940,577,344/2,127,720
  6. Step 6: Final answer
    x = 5,026,479.32

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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.