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Finding the Third Proportional to 4,304 and 8,428

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Solution

The third proportional to 4,304 and 8,428 is: 16,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,304 : 8,428 = 8,428 : x
  2. Step 2: Convert to fraction form
    4,304/8,428 = 8,428/x
  3. Step 3: Cross multiply
    4,304x = 8,428 × 8,428
  4. Step 4: Simplify right side
    4,304x = 71,031,184
  5. Step 5: Solve for x
    x = 71,031,184/4,304
  6. Step 6: Final answer
    x = 16,503.53

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Why These Related Problems?

These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.