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Finding the Third Proportional to 7,190 and 9,737

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Solution

The third proportional to 7,190 and 9,737 is: 13,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190 : 9,737 = 9,737 : x
  2. Step 2: Convert to fraction form
    7,190/9,737 = 9,737/x
  3. Step 3: Cross multiply
    7,190x = 9,737 × 9,737
  4. Step 4: Simplify right side
    7,190x = 94,809,169
  5. Step 5: Solve for x
    x = 94,809,169/7,190
  6. Step 6: Final answer
    x = 13,186.25

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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.