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Finding the Third Proportional to 67,335 and 105,633

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Solution

The third proportional to 67,335 and 105,633 is: 165,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,335 : 105,633 = 105,633 : x
  2. Step 2: Convert to fraction form
    67,335/105,633 = 105,633/x
  3. Step 3: Cross multiply
    67,335x = 105,633 × 105,633
  4. Step 4: Simplify right side
    67,335x = 11,158,330,689
  5. Step 5: Solve for x
    x = 11,158,330,689/67,335
  6. Step 6: Final answer
    x = 165,713.68

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.