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Finding the Third Proportional to 4,421 and 7,037

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Solution

The third proportional to 4,421 and 7,037 is: 11,200.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421 : 7,037 = 7,037 : x
  2. Step 2: Convert to fraction form
    4,421/7,037 = 7,037/x
  3. Step 3: Cross multiply
    4,421x = 7,037 × 7,037
  4. Step 4: Simplify right side
    4,421x = 49,519,369
  5. Step 5: Solve for x
    x = 49,519,369/4,421
  6. Step 6: Final answer
    x = 11,200.94

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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.