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Finding the Third Proportional to 8,969,342 and 19,134,570

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Solution

The third proportional to 8,969,342 and 19,134,570 is: 40,820,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,342 : 19,134,570 = 19,134,570 : x
  2. Step 2: Convert to fraction form
    8,969,342/19,134,570 = 19,134,570/x
  3. Step 3: Cross multiply
    8,969,342x = 19,134,570 × 19,134,570
  4. Step 4: Simplify right side
    8,969,342x = 366,131,769,084,900
  5. Step 5: Solve for x
    x = 366,131,769,084,900/8,969,342
  6. Step 6: Final answer
    x = 40,820,359.96

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.