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Finding the Third Proportional to 6,812.63 and 9,155.25

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Solution

The third proportional to 6,812.63 and 9,155.25 is: 12,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.63 : 9,155.25 = 9,155.25 : x
  2. Step 2: Convert to fraction form
    6,812.63/9,155.25 = 9,155.25/x
  3. Step 3: Cross multiply
    6,812.63x = 9,155.25 × 9,155.25
  4. Step 4: Simplify right side
    6,812.63x = 83,818,602.56
  5. Step 5: Solve for x
    x = 83,818,602.56/6,812.63
  6. Step 6: Final answer
    x = 12,303.42

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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.