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Finding the Third Proportional to 93,393 and 139,759

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Solution

The third proportional to 93,393 and 139,759 is: 209,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,393 : 139,759 = 139,759 : x
  2. Step 2: Convert to fraction form
    93,393/139,759 = 139,759/x
  3. Step 3: Cross multiply
    93,393x = 139,759 × 139,759
  4. Step 4: Simplify right side
    93,393x = 19,532,578,081
  5. Step 5: Solve for x
    x = 19,532,578,081/93,393
  6. Step 6: Final answer
    x = 209,143.92

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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.