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Finding the Third Proportional to 13,361,203 and 20,655,381

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Solution

The third proportional to 13,361,203 and 20,655,381 is: 31,931,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,203 : 20,655,381 = 20,655,381 : x
  2. Step 2: Convert to fraction form
    13,361,203/20,655,381 = 20,655,381/x
  3. Step 3: Cross multiply
    13,361,203x = 20,655,381 × 20,655,381
  4. Step 4: Simplify right side
    13,361,203x = 426,644,764,255,161
  5. Step 5: Solve for x
    x = 426,644,764,255,161/13,361,203
  6. Step 6: Final answer
    x = 31,931,613.06

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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.