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Finding the Third Proportional to 7,797,873 and 17,388,729

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Solution

The third proportional to 7,797,873 and 17,388,729 is: 38,775,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797,873 : 17,388,729 = 17,388,729 : x
  2. Step 2: Convert to fraction form
    7,797,873/17,388,729 = 17,388,729/x
  3. Step 3: Cross multiply
    7,797,873x = 17,388,729 × 17,388,729
  4. Step 4: Simplify right side
    7,797,873x = 302,367,896,235,441
  5. Step 5: Solve for x
    x = 302,367,896,235,441/7,797,873
  6. Step 6: Final answer
    x = 38,775,688.73

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.