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Finding the Third Proportional to 79,818,734 and 171,569,063

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Solution

The third proportional to 79,818,734 and 171,569,063 is: 368,784,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818,734 : 171,569,063 = 171,569,063 : x
  2. Step 2: Convert to fraction form
    79,818,734/171,569,063 = 171,569,063/x
  3. Step 3: Cross multiply
    79,818,734x = 171,569,063 × 171,569,063
  4. Step 4: Simplify right side
    79,818,734x = 29,435,943,378,697,968
  5. Step 5: Solve for x
    x = 29,435,943,378,697,968/79,818,734
  6. Step 6: Final answer
    x = 368,784,894.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.