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Finding the Third Proportional to 10,935 and 17,420.06

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Solution

The third proportional to 10,935 and 17,420.06 is: 27,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935 : 17,420.06 = 17,420.06 : x
  2. Step 2: Convert to fraction form
    10,935/17,420.06 = 17,420.06/x
  3. Step 3: Cross multiply
    10,935x = 17,420.06 × 17,420.06
  4. Step 4: Simplify right side
    10,935x = 303,458,577.50
  5. Step 5: Solve for x
    x = 303,458,577.50/10,935
  6. Step 6: Final answer
    x = 27,751.13

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.