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Finding the Third Proportional to 6,316 and 16,618

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Solution

The third proportional to 6,316 and 16,618 is: 43,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316 : 16,618 = 16,618 : x
  2. Step 2: Convert to fraction form
    6,316/16,618 = 16,618/x
  3. Step 3: Cross multiply
    6,316x = 16,618 × 16,618
  4. Step 4: Simplify right side
    6,316x = 276,157,924
  5. Step 5: Solve for x
    x = 276,157,924/6,316
  6. Step 6: Final answer
    x = 43,723.55

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.