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Finding the Third Proportional to 10,218,120 and 17,029,477

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Solution

The third proportional to 10,218,120 and 17,029,477 is: 28,381,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218,120 : 17,029,477 = 17,029,477 : x
  2. Step 2: Convert to fraction form
    10,218,120/17,029,477 = 17,029,477/x
  3. Step 3: Cross multiply
    10,218,120x = 17,029,477 × 17,029,477
  4. Step 4: Simplify right side
    10,218,120x = 290,003,086,893,529
  5. Step 5: Solve for x
    x = 290,003,086,893,529/10,218,120
  6. Step 6: Final answer
    x = 28,381,256.72

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.