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Finding the Third Proportional to 20,868,353 and 28,836,111

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Solution

The third proportional to 20,868,353 and 28,836,111 is: 39,846,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868,353 : 28,836,111 = 28,836,111 : x
  2. Step 2: Convert to fraction form
    20,868,353/28,836,111 = 28,836,111/x
  3. Step 3: Cross multiply
    20,868,353x = 28,836,111 × 28,836,111
  4. Step 4: Simplify right side
    20,868,353x = 831,521,297,604,321
  5. Step 5: Solve for x
    x = 831,521,297,604,321/20,868,353
  6. Step 6: Final answer
    x = 39,846,043.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.