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Finding the Third Proportional to 94,689 and 142,278

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Solution

The third proportional to 94,689 and 142,278 is: 213,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689 : 142,278 = 142,278 : x
  2. Step 2: Convert to fraction form
    94,689/142,278 = 142,278/x
  3. Step 3: Cross multiply
    94,689x = 142,278 × 142,278
  4. Step 4: Simplify right side
    94,689x = 20,243,029,284
  5. Step 5: Solve for x
    x = 20,243,029,284/94,689
  6. Step 6: Final answer
    x = 213,784.38

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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.