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Finding the Third Proportional to 18,507,879 and 29,555,156

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Solution

The third proportional to 18,507,879 and 29,555,156 is: 47,196,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507,879 : 29,555,156 = 29,555,156 : x
  2. Step 2: Convert to fraction form
    18,507,879/29,555,156 = 29,555,156/x
  3. Step 3: Cross multiply
    18,507,879x = 29,555,156 × 29,555,156
  4. Step 4: Simplify right side
    18,507,879x = 873,507,246,184,336
  5. Step 5: Solve for x
    x = 873,507,246,184,336/18,507,879
  6. Step 6: Final answer
    x = 47,196,507.29

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.