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Finding the Third Proportional to 5,280,399 and 8,393,031

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Solution

The third proportional to 5,280,399 and 8,393,031 is: 13,340,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,399 : 8,393,031 = 8,393,031 : x
  2. Step 2: Convert to fraction form
    5,280,399/8,393,031 = 8,393,031/x
  3. Step 3: Cross multiply
    5,280,399x = 8,393,031 × 8,393,031
  4. Step 4: Simplify right side
    5,280,399x = 70,442,969,366,961
  5. Step 5: Solve for x
    x = 70,442,969,366,961/5,280,399
  6. Step 6: Final answer
    x = 13,340,463.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.