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Finding the Third Proportional to 69,108,928 and 151,234,879

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Solution

The third proportional to 69,108,928 and 151,234,879 is: 330,955,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,928 : 151,234,879 = 151,234,879 : x
  2. Step 2: Convert to fraction form
    69,108,928/151,234,879 = 151,234,879/x
  3. Step 3: Cross multiply
    69,108,928x = 151,234,879 × 151,234,879
  4. Step 4: Simplify right side
    69,108,928x = 22,871,988,626,144,640
  5. Step 5: Solve for x
    x = 22,871,988,626,144,640/69,108,928
  6. Step 6: Final answer
    x = 330,955,627.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.