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Finding the Third Proportional to 19,879,966.69 and 30,764,734.03

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Solution

The third proportional to 19,879,966.69 and 30,764,734.03 is: 47,609,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,966.69 : 30,764,734.03 = 30,764,734.03 : x
  2. Step 2: Convert to fraction form
    19,879,966.69/30,764,734.03 = 30,764,734.03/x
  3. Step 3: Cross multiply
    19,879,966.69x = 30,764,734.03 × 30,764,734.03
  4. Step 4: Simplify right side
    19,879,966.69x = 946,468,860,013,551.88
  5. Step 5: Solve for x
    x = 946,468,860,013,551.88/19,879,966.69
  6. Step 6: Final answer
    x = 47,609,177.36

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.