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Finding the Third Proportional to 5,618.38 and 12,316.75

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Solution

The third proportional to 5,618.38 and 12,316.75 is: 27,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.38 : 12,316.75 = 12,316.75 : x
  2. Step 2: Convert to fraction form
    5,618.38/12,316.75 = 12,316.75/x
  3. Step 3: Cross multiply
    5,618.38x = 12,316.75 × 12,316.75
  4. Step 4: Simplify right side
    5,618.38x = 151,702,330.56
  5. Step 5: Solve for x
    x = 151,702,330.56/5,618.38
  6. Step 6: Final answer
    x = 27,001.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.