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Finding the Third Proportional to 16,861,078 and 36,376,364

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Solution

The third proportional to 16,861,078 and 36,376,364 is: 78,478,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861,078 : 36,376,364 = 36,376,364 : x
  2. Step 2: Convert to fraction form
    16,861,078/36,376,364 = 36,376,364/x
  3. Step 3: Cross multiply
    16,861,078x = 36,376,364 × 36,376,364
  4. Step 4: Simplify right side
    16,861,078x = 1,323,239,857,860,496
  5. Step 5: Solve for x
    x = 1,323,239,857,860,496/16,861,078
  6. Step 6: Final answer
    x = 78,478,959.52

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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.