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Finding the Third Proportional to 66,822 and 105,735

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Solution

The third proportional to 66,822 and 105,735 is: 167,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822 : 105,735 = 105,735 : x
  2. Step 2: Convert to fraction form
    66,822/105,735 = 105,735/x
  3. Step 3: Cross multiply
    66,822x = 105,735 × 105,735
  4. Step 4: Simplify right side
    66,822x = 11,179,890,225
  5. Step 5: Solve for x
    x = 11,179,890,225/66,822
  6. Step 6: Final answer
    x = 167,308.52

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.