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Finding the Third Proportional to 9,765 and 15,148.50

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Solution

The third proportional to 9,765 and 15,148.50 is: 23,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765 : 15,148.50 = 15,148.50 : x
  2. Step 2: Convert to fraction form
    9,765/15,148.50 = 15,148.50/x
  3. Step 3: Cross multiply
    9,765x = 15,148.50 × 15,148.50
  4. Step 4: Simplify right side
    9,765x = 229,477,052.25
  5. Step 5: Solve for x
    x = 229,477,052.25/9,765
  6. Step 6: Final answer
    x = 23,499.95

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.