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Finding the Third Proportional to 18,927,279 and 41,176,066.50

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Solution

The third proportional to 18,927,279 and 41,176,066.50 is: 89,578,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,279 : 41,176,066.50 = 41,176,066.50 : x
  2. Step 2: Convert to fraction form
    18,927,279/41,176,066.50 = 41,176,066.50/x
  3. Step 3: Cross multiply
    18,927,279x = 41,176,066.50 × 41,176,066.50
  4. Step 4: Simplify right side
    18,927,279x = 1,695,468,452,412,422.25
  5. Step 5: Solve for x
    x = 1,695,468,452,412,422.25/18,927,279
  6. Step 6: Final answer
    x = 89,578,034.56

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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.