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Finding the Third Proportional to 4,850,391.38 and 7,608,821.06

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Solution

The third proportional to 4,850,391.38 and 7,608,821.06 is: 11,935,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850,391.38 : 7,608,821.06 = 7,608,821.06 : x
  2. Step 2: Convert to fraction form
    4,850,391.38/7,608,821.06 = 7,608,821.06/x
  3. Step 3: Cross multiply
    4,850,391.38x = 7,608,821.06 × 7,608,821.06
  4. Step 4: Simplify right side
    4,850,391.38x = 57,894,157,961,143.62
  5. Step 5: Solve for x
    x = 57,894,157,961,143.62/4,850,391.38
  6. Step 6: Final answer
    x = 11,935,976.60

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.