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Finding the Third Proportional to 3,215,072 and 6,934,930

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Solution

The third proportional to 3,215,072 and 6,934,930 is: 14,958,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,072 : 6,934,930 = 6,934,930 : x
  2. Step 2: Convert to fraction form
    3,215,072/6,934,930 = 6,934,930/x
  3. Step 3: Cross multiply
    3,215,072x = 6,934,930 × 6,934,930
  4. Step 4: Simplify right side
    3,215,072x = 48,093,254,104,900
  5. Step 5: Solve for x
    x = 48,093,254,104,900/3,215,072
  6. Step 6: Final answer
    x = 14,958,686.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.