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Finding the Third Proportional to 18,701,130 and 27,976,410

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Solution

The third proportional to 18,701,130 and 27,976,410 is: 41,851,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,130 : 27,976,410 = 27,976,410 : x
  2. Step 2: Convert to fraction form
    18,701,130/27,976,410 = 27,976,410/x
  3. Step 3: Cross multiply
    18,701,130x = 27,976,410 × 27,976,410
  4. Step 4: Simplify right side
    18,701,130x = 782,679,516,488,100
  5. Step 5: Solve for x
    x = 782,679,516,488,100/18,701,130
  6. Step 6: Final answer
    x = 41,851,990.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.