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Finding the Third Proportional to 5,216,942 and 11,127,220

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Solution

The third proportional to 5,216,942 and 11,127,220 is: 23,733,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,942 : 11,127,220 = 11,127,220 : x
  2. Step 2: Convert to fraction form
    5,216,942/11,127,220 = 11,127,220/x
  3. Step 3: Cross multiply
    5,216,942x = 11,127,220 × 11,127,220
  4. Step 4: Simplify right side
    5,216,942x = 123,815,024,928,400
  5. Step 5: Solve for x
    x = 123,815,024,928,400/5,216,942
  6. Step 6: Final answer
    x = 23,733,256.94

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.