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Finding the Third Proportional to 79,189,569 and 115,949,151

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Solution

The third proportional to 79,189,569 and 115,949,151 is: 169,772,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,189,569 : 115,949,151 = 115,949,151 : x
  2. Step 2: Convert to fraction form
    79,189,569/115,949,151 = 115,949,151/x
  3. Step 3: Cross multiply
    79,189,569x = 115,949,151 × 115,949,151
  4. Step 4: Simplify right side
    79,189,569x = 13,444,205,617,620,800
  5. Step 5: Solve for x
    x = 13,444,205,617,620,800/79,189,569
  6. Step 6: Final answer
    x = 169,772,430.73

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.