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Finding the Third Proportional to 21,384,630 and 30,897,105

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Solution

The third proportional to 21,384,630 and 30,897,105 is: 44,640,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,630 : 30,897,105 = 30,897,105 : x
  2. Step 2: Convert to fraction form
    21,384,630/30,897,105 = 30,897,105/x
  3. Step 3: Cross multiply
    21,384,630x = 30,897,105 × 30,897,105
  4. Step 4: Simplify right side
    21,384,630x = 954,631,097,381,025
  5. Step 5: Solve for x
    x = 954,631,097,381,025/21,384,630
  6. Step 6: Final answer
    x = 44,640,992.03

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.