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Finding the Third Proportional to 12,543,220 and 26,593,648

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Solution

The third proportional to 12,543,220 and 26,593,648 is: 56,382,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,220 : 26,593,648 = 26,593,648 : x
  2. Step 2: Convert to fraction form
    12,543,220/26,593,648 = 26,593,648/x
  3. Step 3: Cross multiply
    12,543,220x = 26,593,648 × 26,593,648
  4. Step 4: Simplify right side
    12,543,220x = 707,222,113,947,904
  5. Step 5: Solve for x
    x = 707,222,113,947,904/12,543,220
  6. Step 6: Final answer
    x = 56,382,819.88

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.