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Finding the Third Proportional to 68,563.50 and 105,952.50

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Solution

The third proportional to 68,563.50 and 105,952.50 is: 163,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,563.50 : 105,952.50 = 105,952.50 : x
  2. Step 2: Convert to fraction form
    68,563.50/105,952.50 = 105,952.50/x
  3. Step 3: Cross multiply
    68,563.50x = 105,952.50 × 105,952.50
  4. Step 4: Simplify right side
    68,563.50x = 11,225,932,256.25
  5. Step 5: Solve for x
    x = 11,225,932,256.25/68,563.50
  6. Step 6: Final answer
    x = 163,730.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.