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Finding the Third Proportional to 2,812.50 and 4,316.06

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Solution

The third proportional to 2,812.50 and 4,316.06 is: 6,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.50 : 4,316.06 = 4,316.06 : x
  2. Step 2: Convert to fraction form
    2,812.50/4,316.06 = 4,316.06/x
  3. Step 3: Cross multiply
    2,812.50x = 4,316.06 × 4,316.06
  4. Step 4: Simplify right side
    2,812.50x = 18,628,395.50
  5. Step 5: Solve for x
    x = 18,628,395.50/2,812.50
  6. Step 6: Final answer
    x = 6,623.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.