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Finding the Third Proportional to 4,276.13 and 5,492.81

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Solution

The third proportional to 4,276.13 and 5,492.81 is: 7,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.13 : 5,492.81 = 5,492.81 : x
  2. Step 2: Convert to fraction form
    4,276.13/5,492.81 = 5,492.81/x
  3. Step 3: Cross multiply
    4,276.13x = 5,492.81 × 5,492.81
  4. Step 4: Simplify right side
    4,276.13x = 30,170,989.16
  5. Step 5: Solve for x
    x = 30,170,989.16/4,276.13
  6. Step 6: Final answer
    x = 7,055.68

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.