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Finding the Third Proportional to 8,995,758.75 and 12,820,771.13

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Solution

The third proportional to 8,995,758.75 and 12,820,771.13 is: 18,272,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995,758.75 : 12,820,771.13 = 12,820,771.13 : x
  2. Step 2: Convert to fraction form
    8,995,758.75/12,820,771.13 = 12,820,771.13/x
  3. Step 3: Cross multiply
    8,995,758.75x = 12,820,771.13 × 12,820,771.13
  4. Step 4: Simplify right side
    8,995,758.75x = 164,372,172,239,633.75
  5. Step 5: Solve for x
    x = 164,372,172,239,633.75/8,995,758.75
  6. Step 6: Final answer
    x = 18,272,185.46

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.