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Finding the Third Proportional to 6,417.56 and 8,631.56

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Solution

The third proportional to 6,417.56 and 8,631.56 is: 11,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.56 : 8,631.56 = 8,631.56 : x
  2. Step 2: Convert to fraction form
    6,417.56/8,631.56 = 8,631.56/x
  3. Step 3: Cross multiply
    6,417.56x = 8,631.56 × 8,631.56
  4. Step 4: Simplify right side
    6,417.56x = 74,503,871.19
  5. Step 5: Solve for x
    x = 74,503,871.19/6,417.56
  6. Step 6: Final answer
    x = 11,609.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.