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Finding the Third Proportional to 18,221,761.69 and 25,783,228.13

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Solution

The third proportional to 18,221,761.69 and 25,783,228.13 is: 36,482,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,761.69 : 25,783,228.13 = 25,783,228.13 : x
  2. Step 2: Convert to fraction form
    18,221,761.69/25,783,228.13 = 25,783,228.13/x
  3. Step 3: Cross multiply
    18,221,761.69x = 25,783,228.13 × 25,783,228.13
  4. Step 4: Simplify right side
    18,221,761.69x = 664,774,852,545,791
  5. Step 5: Solve for x
    x = 664,774,852,545,791/18,221,761.69
  6. Step 6: Final answer
    x = 36,482,468.82

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.