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Finding the Third Proportional to 4,719 and 7,006.50

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Solution

The third proportional to 4,719 and 7,006.50 is: 10,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719 : 7,006.50 = 7,006.50 : x
  2. Step 2: Convert to fraction form
    4,719/7,006.50 = 7,006.50/x
  3. Step 3: Cross multiply
    4,719x = 7,006.50 × 7,006.50
  4. Step 4: Simplify right side
    4,719x = 49,091,042.25
  5. Step 5: Solve for x
    x = 49,091,042.25/4,719
  6. Step 6: Final answer
    x = 10,402.85

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.