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Finding the Third Proportional to 5,280,395 and 8,393,025

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Solution

The third proportional to 5,280,395 and 8,393,025 is: 13,340,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,395 : 8,393,025 = 8,393,025 : x
  2. Step 2: Convert to fraction form
    5,280,395/8,393,025 = 8,393,025/x
  3. Step 3: Cross multiply
    5,280,395x = 8,393,025 × 8,393,025
  4. Step 4: Simplify right side
    5,280,395x = 70,442,868,650,625
  5. Step 5: Solve for x
    x = 70,442,868,650,625/5,280,395
  6. Step 6: Final answer
    x = 13,340,454.39

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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.