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Finding the Third Proportional to 40,482,942 and 88,153,812

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Solution

The third proportional to 40,482,942 and 88,153,812 is: 191,959,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482,942 : 88,153,812 = 88,153,812 : x
  2. Step 2: Convert to fraction form
    40,482,942/88,153,812 = 88,153,812/x
  3. Step 3: Cross multiply
    40,482,942x = 88,153,812 × 88,153,812
  4. Step 4: Simplify right side
    40,482,942x = 7,771,094,570,131,344
  5. Step 5: Solve for x
    x = 7,771,094,570,131,344/40,482,942
  6. Step 6: Final answer
    x = 191,959,728.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.