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Finding the Third Proportional to 20,145,976 and 43,166,490

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Solution

The third proportional to 20,145,976 and 43,166,490 is: 92,492,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,976 : 43,166,490 = 43,166,490 : x
  2. Step 2: Convert to fraction form
    20,145,976/43,166,490 = 43,166,490/x
  3. Step 3: Cross multiply
    20,145,976x = 43,166,490 × 43,166,490
  4. Step 4: Simplify right side
    20,145,976x = 1,863,345,858,920,100
  5. Step 5: Solve for x
    x = 1,863,345,858,920,100/20,145,976
  6. Step 6: Final answer
    x = 92,492,210.80

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.