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Finding the Third Proportional to 8,517,015,684 and 18,533,772,288

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Solution

The third proportional to 8,517,015,684 and 18,533,772,288 is: 40,331,112,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,015,684 : 18,533,772,288 = 18,533,772,288 : x
  2. Step 2: Convert to fraction form
    8,517,015,684/18,533,772,288 = 18,533,772,288/x
  3. Step 3: Cross multiply
    8,517,015,684x = 18,533,772,288 × 18,533,772,288
  4. Step 4: Simplify right side
    8,517,015,684x = 343,500,715,223,436,754,944
  5. Step 5: Solve for x
    x = 343,500,715,223,436,754,944/8,517,015,684
  6. Step 6: Final answer
    x = 40,331,112,207.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.