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Finding the Third Proportional to 94,342.50 and 128,193.75

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Solution

The third proportional to 94,342.50 and 128,193.75 is: 174,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,342.50 : 128,193.75 = 128,193.75 : x
  2. Step 2: Convert to fraction form
    94,342.50/128,193.75 = 128,193.75/x
  3. Step 3: Cross multiply
    94,342.50x = 128,193.75 × 128,193.75
  4. Step 4: Simplify right side
    94,342.50x = 16,433,637,539.06
  5. Step 5: Solve for x
    x = 16,433,637,539.06/94,342.50
  6. Step 6: Final answer
    x = 174,191.25

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.