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Finding the Third Proportional to 8,469,482 and 18,461,620

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Solution

The third proportional to 8,469,482 and 18,461,620 is: 40,242,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469,482 : 18,461,620 = 18,461,620 : x
  2. Step 2: Convert to fraction form
    8,469,482/18,461,620 = 18,461,620/x
  3. Step 3: Cross multiply
    8,469,482x = 18,461,620 × 18,461,620
  4. Step 4: Simplify right side
    8,469,482x = 340,831,413,024,400
  5. Step 5: Solve for x
    x = 340,831,413,024,400/8,469,482
  6. Step 6: Final answer
    x = 40,242,297.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.