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Finding the Third Proportional to 10,124,890 and 22,220,510

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Solution

The third proportional to 10,124,890 and 22,220,510 is: 48,766,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124,890 : 22,220,510 = 22,220,510 : x
  2. Step 2: Convert to fraction form
    10,124,890/22,220,510 = 22,220,510/x
  3. Step 3: Cross multiply
    10,124,890x = 22,220,510 × 22,220,510
  4. Step 4: Simplify right side
    10,124,890x = 493,751,064,660,100
  5. Step 5: Solve for x
    x = 493,751,064,660,100/10,124,890
  6. Step 6: Final answer
    x = 48,766,067.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.