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Finding the Third Proportional to 8,664,709 and 18,774,266

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Solution

The third proportional to 8,664,709 and 18,774,266 is: 40,679,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,709 : 18,774,266 = 18,774,266 : x
  2. Step 2: Convert to fraction form
    8,664,709/18,774,266 = 18,774,266/x
  3. Step 3: Cross multiply
    8,664,709x = 18,774,266 × 18,774,266
  4. Step 4: Simplify right side
    8,664,709x = 352,473,063,838,756
  5. Step 5: Solve for x
    x = 352,473,063,838,756/8,664,709
  6. Step 6: Final answer
    x = 40,679,157.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.