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Finding the Third Proportional to 20,836,989 and 23,328,117

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Solution

The third proportional to 20,836,989 and 23,328,117 is: 26,117,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836,989 : 23,328,117 = 23,328,117 : x
  2. Step 2: Convert to fraction form
    20,836,989/23,328,117 = 23,328,117/x
  3. Step 3: Cross multiply
    20,836,989x = 23,328,117 × 23,328,117
  4. Step 4: Simplify right side
    20,836,989x = 544,201,042,765,689
  5. Step 5: Solve for x
    x = 544,201,042,765,689/20,836,989
  6. Step 6: Final answer
    x = 26,117,067.24

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.