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Finding the Third Proportional to 7,053 and 7,620

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Solution

The third proportional to 7,053 and 7,620 is: 8,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053 : 7,620 = 7,620 : x
  2. Step 2: Convert to fraction form
    7,053/7,620 = 7,620/x
  3. Step 3: Cross multiply
    7,053x = 7,620 × 7,620
  4. Step 4: Simplify right side
    7,053x = 58,064,400
  5. Step 5: Solve for x
    x = 58,064,400/7,053
  6. Step 6: Final answer
    x = 8,232.58

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.