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Finding the Third Proportional to 7,210.69 and 9,741.09

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Solution

The third proportional to 7,210.69 and 9,741.09 is: 13,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.69 : 9,741.09 = 9,741.09 : x
  2. Step 2: Convert to fraction form
    7,210.69/9,741.09 = 9,741.09/x
  3. Step 3: Cross multiply
    7,210.69x = 9,741.09 × 9,741.09
  4. Step 4: Simplify right side
    7,210.69x = 94,888,907.45
  5. Step 5: Solve for x
    x = 94,888,907.45/7,210.69
  6. Step 6: Final answer
    x = 13,159.48

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.