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Finding the Third Proportional to 7,584 and 11,618

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Solution

The third proportional to 7,584 and 11,618 is: 17,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584 : 11,618 = 11,618 : x
  2. Step 2: Convert to fraction form
    7,584/11,618 = 11,618/x
  3. Step 3: Cross multiply
    7,584x = 11,618 × 11,618
  4. Step 4: Simplify right side
    7,584x = 134,977,924
  5. Step 5: Solve for x
    x = 134,977,924/7,584
  6. Step 6: Final answer
    x = 17,797.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.