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Finding the Third Proportional to 43,299 and 64,774

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Solution

The third proportional to 43,299 and 64,774 is: 96,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299 : 64,774 = 64,774 : x
  2. Step 2: Convert to fraction form
    43,299/64,774 = 64,774/x
  3. Step 3: Cross multiply
    43,299x = 64,774 × 64,774
  4. Step 4: Simplify right side
    43,299x = 4,195,671,076
  5. Step 5: Solve for x
    x = 4,195,671,076/43,299
  6. Step 6: Final answer
    x = 96,899.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.