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Finding the Third Proportional to 69,248 and 108,476

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Solution

The third proportional to 69,248 and 108,476 is: 169,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,248 : 108,476 = 108,476 : x
  2. Step 2: Convert to fraction form
    69,248/108,476 = 108,476/x
  3. Step 3: Cross multiply
    69,248x = 108,476 × 108,476
  4. Step 4: Simplify right side
    69,248x = 11,767,042,576
  5. Step 5: Solve for x
    x = 11,767,042,576/69,248
  6. Step 6: Final answer
    x = 169,926.10

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.