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Finding the Third Proportional to 4,297.50 and 9,298.50

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Solution

The third proportional to 4,297.50 and 9,298.50 is: 20,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.50 : 9,298.50 = 9,298.50 : x
  2. Step 2: Convert to fraction form
    4,297.50/9,298.50 = 9,298.50/x
  3. Step 3: Cross multiply
    4,297.50x = 9,298.50 × 9,298.50
  4. Step 4: Simplify right side
    4,297.50x = 86,462,102.25
  5. Step 5: Solve for x
    x = 86,462,102.25/4,297.50
  6. Step 6: Final answer
    x = 20,119.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.