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Finding the Third Proportional to 8,237,708.54 and 17,715,121.45

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Solution

The third proportional to 8,237,708.54 and 17,715,121.45 is: 38,096,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,708.54 : 17,715,121.45 = 17,715,121.45 : x
  2. Step 2: Convert to fraction form
    8,237,708.54/17,715,121.45 = 17,715,121.45/x
  3. Step 3: Cross multiply
    8,237,708.54x = 17,715,121.45 × 17,715,121.45
  4. Step 4: Simplify right side
    8,237,708.54x = 313,825,528,098,969.62
  5. Step 5: Solve for x
    x = 313,825,528,098,969.62/8,237,708.54
  6. Step 6: Final answer
    x = 38,096,216.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.