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Finding the Third Proportional to 69,104 and 106,709

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Solution

The third proportional to 69,104 and 106,709 is: 164,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,104 : 106,709 = 106,709 : x
  2. Step 2: Convert to fraction form
    69,104/106,709 = 106,709/x
  3. Step 3: Cross multiply
    69,104x = 106,709 × 106,709
  4. Step 4: Simplify right side
    69,104x = 11,386,810,681
  5. Step 5: Solve for x
    x = 11,386,810,681/69,104
  6. Step 6: Final answer
    x = 164,777.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.