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Finding the Third Proportional to 8,484 and 13,476

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Solution

The third proportional to 8,484 and 13,476 is: 21,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484 : 13,476 = 13,476 : x
  2. Step 2: Convert to fraction form
    8,484/13,476 = 13,476/x
  3. Step 3: Cross multiply
    8,484x = 13,476 × 13,476
  4. Step 4: Simplify right side
    8,484x = 181,602,576
  5. Step 5: Solve for x
    x = 181,602,576/8,484
  6. Step 6: Final answer
    x = 21,405.30

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.