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Finding the Third Proportional to 18,927,287 and 41,176,080

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Solution

The third proportional to 18,927,287 and 41,176,080 is: 89,578,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,287 : 41,176,080 = 41,176,080 : x
  2. Step 2: Convert to fraction form
    18,927,287/41,176,080 = 41,176,080/x
  3. Step 3: Cross multiply
    18,927,287x = 41,176,080 × 41,176,080
  4. Step 4: Simplify right side
    18,927,287x = 1,695,469,564,166,400
  5. Step 5: Solve for x
    x = 1,695,469,564,166,400/18,927,287
  6. Step 6: Final answer
    x = 89,578,055.44

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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.