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Finding the Third Proportional to 68,530.50 and 105,468.75

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Solution

The third proportional to 68,530.50 and 105,468.75 is: 162,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530.50 : 105,468.75 = 105,468.75 : x
  2. Step 2: Convert to fraction form
    68,530.50/105,468.75 = 105,468.75/x
  3. Step 3: Cross multiply
    68,530.50x = 105,468.75 × 105,468.75
  4. Step 4: Simplify right side
    68,530.50x = 11,123,657,226.56
  5. Step 5: Solve for x
    x = 11,123,657,226.56/68,530.50
  6. Step 6: Final answer
    x = 162,316.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.