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Finding the Third Proportional to 28,151,976 and 43,520,763

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Solution

The third proportional to 28,151,976 and 43,520,763 is: 67,279,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,151,976 : 43,520,763 = 43,520,763 : x
  2. Step 2: Convert to fraction form
    28,151,976/43,520,763 = 43,520,763/x
  3. Step 3: Cross multiply
    28,151,976x = 43,520,763 × 43,520,763
  4. Step 4: Simplify right side
    28,151,976x = 1,894,056,812,102,169
  5. Step 5: Solve for x
    x = 1,894,056,812,102,169/28,151,976
  6. Step 6: Final answer
    x = 67,279,711.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.