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Finding the Third Proportional to 10,818,067.50 and 15,468,799.50

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Solution

The third proportional to 10,818,067.50 and 15,468,799.50 is: 22,118,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818,067.50 : 15,468,799.50 = 15,468,799.50 : x
  2. Step 2: Convert to fraction form
    10,818,067.50/15,468,799.50 = 15,468,799.50/x
  3. Step 3: Cross multiply
    10,818,067.50x = 15,468,799.50 × 15,468,799.50
  4. Step 4: Simplify right side
    10,818,067.50x = 239,283,757,971,200.25
  5. Step 5: Solve for x
    x = 239,283,757,971,200.25/10,818,067.50
  6. Step 6: Final answer
    x = 22,118,900.44

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.