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Finding the Third Proportional to 8,187,945,399 and 11,700,787,333.50

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Solution

The third proportional to 8,187,945,399 and 11,700,787,333.50 is: 16,720,729,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,945,399 : 11,700,787,333.50 = 11,700,787,333.50 : x
  2. Step 2: Convert to fraction form
    8,187,945,399/11,700,787,333.50 = 11,700,787,333.50/x
  3. Step 3: Cross multiply
    8,187,945,399x = 11,700,787,333.50 × 11,700,787,333.50
  4. Step 4: Simplify right side
    8,187,945,399x = 136,908,424,223,794,036,736
  5. Step 5: Solve for x
    x = 136,908,424,223,794,036,736/8,187,945,399
  6. Step 6: Final answer
    x = 16,720,729,994.18

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1.5x scale

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.