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Finding the Third Proportional to 18,507,881 and 29,555,159

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Solution

The third proportional to 18,507,881 and 29,555,159 is: 47,196,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507,881 : 29,555,159 = 29,555,159 : x
  2. Step 2: Convert to fraction form
    18,507,881/29,555,159 = 29,555,159/x
  3. Step 3: Cross multiply
    18,507,881x = 29,555,159 × 29,555,159
  4. Step 4: Simplify right side
    18,507,881x = 873,507,423,515,281
  5. Step 5: Solve for x
    x = 873,507,423,515,281/18,507,881
  6. Step 6: Final answer
    x = 47,196,511.77

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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.