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Finding the Third Proportional to 18,780,105 and 40,772,341

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Solution

The third proportional to 18,780,105 and 40,772,341 is: 88,518,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780,105 : 40,772,341 = 40,772,341 : x
  2. Step 2: Convert to fraction form
    18,780,105/40,772,341 = 40,772,341/x
  3. Step 3: Cross multiply
    18,780,105x = 40,772,341 × 40,772,341
  4. Step 4: Simplify right side
    18,780,105x = 1,662,383,790,620,281
  5. Step 5: Solve for x
    x = 1,662,383,790,620,281/18,780,105
  6. Step 6: Final answer
    x = 88,518,343.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.