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Finding the Third Proportional to 72,334.50 and 105,675.75

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Solution

The third proportional to 72,334.50 and 105,675.75 is: 154,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,334.50 : 105,675.75 = 105,675.75 : x
  2. Step 2: Convert to fraction form
    72,334.50/105,675.75 = 105,675.75/x
  3. Step 3: Cross multiply
    72,334.50x = 105,675.75 × 105,675.75
  4. Step 4: Simplify right side
    72,334.50x = 11,167,364,138.06
  5. Step 5: Solve for x
    x = 11,167,364,138.06/72,334.50
  6. Step 6: Final answer
    x = 154,385.03

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.