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Finding the Third Proportional to 21,167,900 and 29,810,068

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Solution

The third proportional to 21,167,900 and 29,810,068 is: 41,980,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,900 : 29,810,068 = 29,810,068 : x
  2. Step 2: Convert to fraction form
    21,167,900/29,810,068 = 29,810,068/x
  3. Step 3: Cross multiply
    21,167,900x = 29,810,068 × 29,810,068
  4. Step 4: Simplify right side
    21,167,900x = 888,640,154,164,624
  5. Step 5: Solve for x
    x = 888,640,154,164,624/21,167,900
  6. Step 6: Final answer
    x = 41,980,553.30

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.