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Finding the Third Proportional to 7,439,920 and 10,530,368

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Solution

The third proportional to 7,439,920 and 10,530,368 is: 14,904,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439,920 : 10,530,368 = 10,530,368 : x
  2. Step 2: Convert to fraction form
    7,439,920/10,530,368 = 10,530,368/x
  3. Step 3: Cross multiply
    7,439,920x = 10,530,368 × 10,530,368
  4. Step 4: Simplify right side
    7,439,920x = 110,888,650,215,424
  5. Step 5: Solve for x
    x = 110,888,650,215,424/7,439,920
  6. Step 6: Final answer
    x = 14,904,548.73

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.