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Finding the Third Proportional to 75,210.75 and 163,914.75

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Solution

The third proportional to 75,210.75 and 163,914.75 is: 357,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,210.75 : 163,914.75 = 163,914.75 : x
  2. Step 2: Convert to fraction form
    75,210.75/163,914.75 = 163,914.75/x
  3. Step 3: Cross multiply
    75,210.75x = 163,914.75 × 163,914.75
  4. Step 4: Simplify right side
    75,210.75x = 26,868,045,267.56
  5. Step 5: Solve for x
    x = 26,868,045,267.56/75,210.75
  6. Step 6: Final answer
    x = 357,236.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.