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Finding the Third Proportional to 98,655 and 139,596

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Solution

The third proportional to 98,655 and 139,596 is: 197,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,655 : 139,596 = 139,596 : x
  2. Step 2: Convert to fraction form
    98,655/139,596 = 139,596/x
  3. Step 3: Cross multiply
    98,655x = 139,596 × 139,596
  4. Step 4: Simplify right side
    98,655x = 19,487,043,216
  5. Step 5: Solve for x
    x = 19,487,043,216/98,655
  6. Step 6: Final answer
    x = 197,527.17

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.