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Finding the Third Proportional to 94,120 and 141,391

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Solution

The third proportional to 94,120 and 141,391 is: 212,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,120 : 141,391 = 141,391 : x
  2. Step 2: Convert to fraction form
    94,120/141,391 = 141,391/x
  3. Step 3: Cross multiply
    94,120x = 141,391 × 141,391
  4. Step 4: Simplify right side
    94,120x = 19,991,414,881
  5. Step 5: Solve for x
    x = 19,991,414,881/94,120
  6. Step 6: Final answer
    x = 212,403.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.