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Finding the Third Proportional to 8,664,700.36 and 18,774,244.55

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Solution

The third proportional to 8,664,700.36 and 18,774,244.55 is: 40,679,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,700.36 : 18,774,244.55 = 18,774,244.55 : x
  2. Step 2: Convert to fraction form
    8,664,700.36/18,774,244.55 = 18,774,244.55/x
  3. Step 3: Cross multiply
    8,664,700.36x = 18,774,244.55 × 18,774,244.55
  4. Step 4: Simplify right side
    8,664,700.36x = 352,472,258,305,865.69
  5. Step 5: Solve for x
    x = 352,472,258,305,865.69/8,664,700.36
  6. Step 6: Final answer
    x = 40,679,105.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.