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Finding the Third Proportional to 9,207 and 13,870.50

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Solution

The third proportional to 9,207 and 13,870.50 is: 20,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207 : 13,870.50 = 13,870.50 : x
  2. Step 2: Convert to fraction form
    9,207/13,870.50 = 13,870.50/x
  3. Step 3: Cross multiply
    9,207x = 13,870.50 × 13,870.50
  4. Step 4: Simplify right side
    9,207x = 192,390,770.25
  5. Step 5: Solve for x
    x = 192,390,770.25/9,207
  6. Step 6: Final answer
    x = 20,896.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.