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Finding the Third Proportional to 20,697,264 and 43,539,390

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Solution

The third proportional to 20,697,264 and 43,539,390 is: 91,590,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,264 : 43,539,390 = 43,539,390 : x
  2. Step 2: Convert to fraction form
    20,697,264/43,539,390 = 43,539,390/x
  3. Step 3: Cross multiply
    20,697,264x = 43,539,390 × 43,539,390
  4. Step 4: Simplify right side
    20,697,264x = 1,895,678,481,572,100
  5. Step 5: Solve for x
    x = 1,895,678,481,572,100/20,697,264
  6. Step 6: Final answer
    x = 91,590,776.52

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.