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Finding the Third Proportional to 26,122 and 56,618

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Solution

The third proportional to 26,122 and 56,618 is: 122,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122 : 56,618 = 56,618 : x
  2. Step 2: Convert to fraction form
    26,122/56,618 = 56,618/x
  3. Step 3: Cross multiply
    26,122x = 56,618 × 56,618
  4. Step 4: Simplify right side
    26,122x = 3,205,597,924
  5. Step 5: Solve for x
    x = 3,205,597,924/26,122
  6. Step 6: Final answer
    x = 122,716.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.