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Finding the Third Proportional to 4,039,727 and 8,639,325

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Solution

The third proportional to 4,039,727 and 8,639,325 is: 18,475,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,727 : 8,639,325 = 8,639,325 : x
  2. Step 2: Convert to fraction form
    4,039,727/8,639,325 = 8,639,325/x
  3. Step 3: Cross multiply
    4,039,727x = 8,639,325 × 8,639,325
  4. Step 4: Simplify right side
    4,039,727x = 74,637,936,455,625
  5. Step 5: Solve for x
    x = 74,637,936,455,625/4,039,727
  6. Step 6: Final answer
    x = 18,475,985.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.