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Finding the Third Proportional to 5,223,957 and 7,914,942

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Solution

The third proportional to 5,223,957 and 7,914,942 is: 11,992,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,957 : 7,914,942 = 7,914,942 : x
  2. Step 2: Convert to fraction form
    5,223,957/7,914,942 = 7,914,942/x
  3. Step 3: Cross multiply
    5,223,957x = 7,914,942 × 7,914,942
  4. Step 4: Simplify right side
    5,223,957x = 62,646,306,863,364
  5. Step 5: Solve for x
    x = 62,646,306,863,364/5,223,957
  6. Step 6: Final answer
    x = 11,992,117.63

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.