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Finding the Third Proportional to 20,520,688 and 28,861,962

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Solution

The third proportional to 20,520,688 and 28,861,962 is: 40,593,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,520,688 : 28,861,962 = 28,861,962 : x
  2. Step 2: Convert to fraction form
    20,520,688/28,861,962 = 28,861,962/x
  3. Step 3: Cross multiply
    20,520,688x = 28,861,962 × 28,861,962
  4. Step 4: Simplify right side
    20,520,688x = 833,012,850,489,444
  5. Step 5: Solve for x
    x = 833,012,850,489,444/20,520,688
  6. Step 6: Final answer
    x = 40,593,807.11

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.