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Finding the Third Proportional to 13,361,205 and 20,655,384

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Solution

The third proportional to 13,361,205 and 20,655,384 is: 31,931,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,205 : 20,655,384 = 20,655,384 : x
  2. Step 2: Convert to fraction form
    13,361,205/20,655,384 = 20,655,384/x
  3. Step 3: Cross multiply
    13,361,205x = 20,655,384 × 20,655,384
  4. Step 4: Simplify right side
    13,361,205x = 426,644,888,187,456
  5. Step 5: Solve for x
    x = 426,644,888,187,456/13,361,205
  6. Step 6: Final answer
    x = 31,931,617.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.