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Finding the Third Proportional to 8,969,346 and 19,134,578

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Solution

The third proportional to 8,969,346 and 19,134,578 is: 40,820,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,346 : 19,134,578 = 19,134,578 : x
  2. Step 2: Convert to fraction form
    8,969,346/19,134,578 = 19,134,578/x
  3. Step 3: Cross multiply
    8,969,346x = 19,134,578 × 19,134,578
  4. Step 4: Simplify right side
    8,969,346x = 366,132,075,238,084
  5. Step 5: Solve for x
    x = 366,132,075,238,084/8,969,346
  6. Step 6: Final answer
    x = 40,820,375.89

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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.