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Finding the Third Proportional to 7,509.75 and 8,355.75

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Solution

The third proportional to 7,509.75 and 8,355.75 is: 9,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.75 : 8,355.75 = 8,355.75 : x
  2. Step 2: Convert to fraction form
    7,509.75/8,355.75 = 8,355.75/x
  3. Step 3: Cross multiply
    7,509.75x = 8,355.75 × 8,355.75
  4. Step 4: Simplify right side
    7,509.75x = 69,818,558.06
  5. Step 5: Solve for x
    x = 69,818,558.06/7,509.75
  6. Step 6: Final answer
    x = 9,297.05

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.