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Finding the Third Proportional to 6,437.50 and 8,622.25

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Solution

The third proportional to 6,437.50 and 8,622.25 is: 11,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.50 : 8,622.25 = 8,622.25 : x
  2. Step 2: Convert to fraction form
    6,437.50/8,622.25 = 8,622.25/x
  3. Step 3: Cross multiply
    6,437.50x = 8,622.25 × 8,622.25
  4. Step 4: Simplify right side
    6,437.50x = 74,343,195.06
  5. Step 5: Solve for x
    x = 74,343,195.06/6,437.50
  6. Step 6: Final answer
    x = 11,548.46

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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.