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Finding the Third Proportional to 3,666,337 and 5,387,239

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Solution

The third proportional to 3,666,337 and 5,387,239 is: 7,915,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666,337 : 5,387,239 = 5,387,239 : x
  2. Step 2: Convert to fraction form
    3,666,337/5,387,239 = 5,387,239/x
  3. Step 3: Cross multiply
    3,666,337x = 5,387,239 × 5,387,239
  4. Step 4: Simplify right side
    3,666,337x = 29,022,344,043,121
  5. Step 5: Solve for x
    x = 29,022,344,043,121/3,666,337
  6. Step 6: Final answer
    x = 7,915,896.45

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.