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Finding the Third Proportional to 4,973 and 7,028

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Solution

The third proportional to 4,973 and 7,028 is: 9,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973 : 7,028 = 7,028 : x
  2. Step 2: Convert to fraction form
    4,973/7,028 = 7,028/x
  3. Step 3: Cross multiply
    4,973x = 7,028 × 7,028
  4. Step 4: Simplify right side
    4,973x = 49,392,784
  5. Step 5: Solve for x
    x = 49,392,784/4,973
  6. Step 6: Final answer
    x = 9,932.19

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.