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Finding the Third Proportional to 8,187,945,453 and 11,700,787,416.75

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Solution

The third proportional to 8,187,945,453 and 11,700,787,416.75 is: 16,720,730,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,945,453 : 11,700,787,416.75 = 11,700,787,416.75 : x
  2. Step 2: Convert to fraction form
    8,187,945,453/11,700,787,416.75 = 11,700,787,416.75/x
  3. Step 3: Cross multiply
    8,187,945,453x = 11,700,787,416.75 × 11,700,787,416.75
  4. Step 4: Simplify right side
    8,187,945,453x = 136,908,426,171,975,139,328
  5. Step 5: Solve for x
    x = 136,908,426,171,975,139,328/8,187,945,453
  6. Step 6: Final answer
    x = 16,720,730,121.84

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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.