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Finding the Third Proportional to 3,923,080 and 8,447,311

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Solution

The third proportional to 3,923,080 and 8,447,311 is: 18,189,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923,080 : 8,447,311 = 8,447,311 : x
  2. Step 2: Convert to fraction form
    3,923,080/8,447,311 = 8,447,311/x
  3. Step 3: Cross multiply
    3,923,080x = 8,447,311 × 8,447,311
  4. Step 4: Simplify right side
    3,923,080x = 71,357,063,130,721
  5. Step 5: Solve for x
    x = 71,357,063,130,721/3,923,080
  6. Step 6: Final answer
    x = 18,189,041.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.