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Finding the Third Proportional to 12,198,739.50 and 25,655,503.50

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Solution

The third proportional to 12,198,739.50 and 25,655,503.50 is: 53,956,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198,739.50 : 25,655,503.50 = 25,655,503.50 : x
  2. Step 2: Convert to fraction form
    12,198,739.50/25,655,503.50 = 25,655,503.50/x
  3. Step 3: Cross multiply
    12,198,739.50x = 25,655,503.50 × 25,655,503.50
  4. Step 4: Simplify right side
    12,198,739.50x = 658,204,859,838,512.25
  5. Step 5: Solve for x
    x = 658,204,859,838,512.25/12,198,739.50
  6. Step 6: Final answer
    x = 53,956,792.82

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.