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Finding the Third Proportional to 7,439,928 and 10,530,380

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Solution

The third proportional to 7,439,928 and 10,530,380 is: 14,904,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439,928 : 10,530,380 = 10,530,380 : x
  2. Step 2: Convert to fraction form
    7,439,928/10,530,380 = 10,530,380/x
  3. Step 3: Cross multiply
    7,439,928x = 10,530,380 × 10,530,380
  4. Step 4: Simplify right side
    7,439,928x = 110,888,902,944,400
  5. Step 5: Solve for x
    x = 110,888,902,944,400/7,439,928
  6. Step 6: Final answer
    x = 14,904,566.68

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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.