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Finding the Third Proportional to 31,569,115.50 and 68,851,161

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Solution

The third proportional to 31,569,115.50 and 68,851,161 is: 150,162,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569,115.50 : 68,851,161 = 68,851,161 : x
  2. Step 2: Convert to fraction form
    31,569,115.50/68,851,161 = 68,851,161/x
  3. Step 3: Cross multiply
    31,569,115.50x = 68,851,161 × 68,851,161
  4. Step 4: Simplify right side
    31,569,115.50x = 4,740,482,371,047,921
  5. Step 5: Solve for x
    x = 4,740,482,371,047,921/31,569,115.50
  6. Step 6: Final answer
    x = 150,162,026.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.