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Finding the Third Proportional to 40,447,516 and 87,359,378

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Solution

The third proportional to 40,447,516 and 87,359,378 is: 188,680,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447,516 : 87,359,378 = 87,359,378 : x
  2. Step 2: Convert to fraction form
    40,447,516/87,359,378 = 87,359,378/x
  3. Step 3: Cross multiply
    40,447,516x = 87,359,378 × 87,359,378
  4. Step 4: Simplify right side
    40,447,516x = 7,631,660,924,546,884
  5. Step 5: Solve for x
    x = 7,631,660,924,546,884/40,447,516
  6. Step 6: Final answer
    x = 188,680,583.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.