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Finding the Third Proportional to 25,784 and 54,618

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Solution

The third proportional to 25,784 and 54,618 is: 115,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784 : 54,618 = 54,618 : x
  2. Step 2: Convert to fraction form
    25,784/54,618 = 54,618/x
  3. Step 3: Cross multiply
    25,784x = 54,618 × 54,618
  4. Step 4: Simplify right side
    25,784x = 2,983,125,924
  5. Step 5: Solve for x
    x = 2,983,125,924/25,784
  6. Step 6: Final answer
    x = 115,696.79

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.