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Finding the Third Proportional to 9,768 and 14,779.50

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Solution

The third proportional to 9,768 and 14,779.50 is: 22,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768 : 14,779.50 = 14,779.50 : x
  2. Step 2: Convert to fraction form
    9,768/14,779.50 = 14,779.50/x
  3. Step 3: Cross multiply
    9,768x = 14,779.50 × 14,779.50
  4. Step 4: Simplify right side
    9,768x = 218,433,620.25
  5. Step 5: Solve for x
    x = 218,433,620.25/9,768
  6. Step 6: Final answer
    x = 22,362.16

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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.