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Finding the Third Proportional to 20,971,676 and 28,334,096

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Solution

The third proportional to 20,971,676 and 28,334,096 is: 38,281,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,971,676 : 28,334,096 = 28,334,096 : x
  2. Step 2: Convert to fraction form
    20,971,676/28,334,096 = 28,334,096/x
  3. Step 3: Cross multiply
    20,971,676x = 28,334,096 × 28,334,096
  4. Step 4: Simplify right side
    20,971,676x = 802,820,996,137,216
  5. Step 5: Solve for x
    x = 802,820,996,137,216/20,971,676
  6. Step 6: Final answer
    x = 38,281,203.47

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.