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Finding the Third Proportional to 11,754,380 and 18,163,515

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Solution

The third proportional to 11,754,380 and 18,163,515 is: 28,067,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,380 : 18,163,515 = 18,163,515 : x
  2. Step 2: Convert to fraction form
    11,754,380/18,163,515 = 18,163,515/x
  3. Step 3: Cross multiply
    11,754,380x = 18,163,515 × 18,163,515
  4. Step 4: Simplify right side
    11,754,380x = 329,913,277,155,225
  5. Step 5: Solve for x
    x = 329,913,277,155,225/11,754,380
  6. Step 6: Final answer
    x = 28,067,263.20

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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.