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Finding the Third Proportional to 4,986,872 and 10,761,040

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Solution

The third proportional to 4,986,872 and 10,761,040 is: 23,220,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,872 : 10,761,040 = 10,761,040 : x
  2. Step 2: Convert to fraction form
    4,986,872/10,761,040 = 10,761,040/x
  3. Step 3: Cross multiply
    4,986,872x = 10,761,040 × 10,761,040
  4. Step 4: Simplify right side
    4,986,872x = 115,799,981,881,600
  5. Step 5: Solve for x
    x = 115,799,981,881,600/4,986,872
  6. Step 6: Final answer
    x = 23,220,965.34

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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.