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Finding the Third Proportional to 31,513,334.50 and 68,548,115

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Solution

The third proportional to 31,513,334.50 and 68,548,115 is: 149,106,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513,334.50 : 68,548,115 = 68,548,115 : x
  2. Step 2: Convert to fraction form
    31,513,334.50/68,548,115 = 68,548,115/x
  3. Step 3: Cross multiply
    31,513,334.50x = 68,548,115 × 68,548,115
  4. Step 4: Simplify right side
    31,513,334.50x = 4,698,844,070,053,225
  5. Step 5: Solve for x
    x = 4,698,844,070,053,225/31,513,334.50
  6. Step 6: Final answer
    x = 149,106,533.62

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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.