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Finding the Third Proportional to 7,280,800 and 9,801,438

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Solution

The third proportional to 7,280,800 and 9,801,438 is: 13,194,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,800 : 9,801,438 = 9,801,438 : x
  2. Step 2: Convert to fraction form
    7,280,800/9,801,438 = 9,801,438/x
  3. Step 3: Cross multiply
    7,280,800x = 9,801,438 × 9,801,438
  4. Step 4: Simplify right side
    7,280,800x = 96,068,186,867,844
  5. Step 5: Solve for x
    x = 96,068,186,867,844/7,280,800
  6. Step 6: Final answer
    x = 13,194,729.54

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.