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Finding the Third Proportional to 3,386,964 and 7,305,720

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Solution

The third proportional to 3,386,964 and 7,305,720 is: 15,758,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386,964 : 7,305,720 = 7,305,720 : x
  2. Step 2: Convert to fraction form
    3,386,964/7,305,720 = 7,305,720/x
  3. Step 3: Cross multiply
    3,386,964x = 7,305,720 × 7,305,720
  4. Step 4: Simplify right side
    3,386,964x = 53,373,544,718,400
  5. Step 5: Solve for x
    x = 53,373,544,718,400/3,386,964
  6. Step 6: Final answer
    x = 15,758,521.41

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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.