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Finding the Third Proportional to 4.64 and 4.99

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Solution

The third proportional to 4.64 and 4.99 is: 5.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.64 : 4.99 = 4.99 : x
  2. Step 2: Convert to fraction form
    4.64/4.99 = 4.99/x
  3. Step 3: Cross multiply
    4.64x = 4.99 × 4.99
  4. Step 4: Simplify right side
    4.64x = 24.94
  5. Step 5: Solve for x
    x = 24.94/4.64
  6. Step 6: Final answer
    x = 5.38

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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.