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Finding the Third Proportional to 68,700 and 148,596

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Solution

The third proportional to 68,700 and 148,596 is: 321,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,700 : 148,596 = 148,596 : x
  2. Step 2: Convert to fraction form
    68,700/148,596 = 148,596/x
  3. Step 3: Cross multiply
    68,700x = 148,596 × 148,596
  4. Step 4: Simplify right side
    68,700x = 22,080,771,216
  5. Step 5: Solve for x
    x = 22,080,771,216/68,700
  6. Step 6: Final answer
    x = 321,408.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.