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Finding the Third Proportional to 4,721,360 and 10,115,872

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Solution

The third proportional to 4,721,360 and 10,115,872 is: 21,674,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721,360 : 10,115,872 = 10,115,872 : x
  2. Step 2: Convert to fraction form
    4,721,360/10,115,872 = 10,115,872/x
  3. Step 3: Cross multiply
    4,721,360x = 10,115,872 × 10,115,872
  4. Step 4: Simplify right side
    4,721,360x = 102,330,866,320,384
  5. Step 5: Solve for x
    x = 102,330,866,320,384/4,721,360
  6. Step 6: Final answer
    x = 21,674,023.23

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.