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Finding the Third Proportional to 94,293 and 128,135

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Solution

The third proportional to 94,293 and 128,135 is: 174,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,293 : 128,135 = 128,135 : x
  2. Step 2: Convert to fraction form
    94,293/128,135 = 128,135/x
  3. Step 3: Cross multiply
    94,293x = 128,135 × 128,135
  4. Step 4: Simplify right side
    94,293x = 16,418,578,225
  5. Step 5: Solve for x
    x = 16,418,578,225/94,293
  6. Step 6: Final answer
    x = 174,122.98

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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.