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Finding the Third Proportional to 18,527,947 and 40,825,309

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Solution

The third proportional to 18,527,947 and 40,825,309 is: 89,956,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527,947 : 40,825,309 = 40,825,309 : x
  2. Step 2: Convert to fraction form
    18,527,947/40,825,309 = 40,825,309/x
  3. Step 3: Cross multiply
    18,527,947x = 40,825,309 × 40,825,309
  4. Step 4: Simplify right side
    18,527,947x = 1,666,705,854,945,481
  5. Step 5: Solve for x
    x = 1,666,705,854,945,481/18,527,947
  6. Step 6: Final answer
    x = 89,956,315.99

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.