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Finding the Third Proportional to 12,316 and 26,618

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Solution

The third proportional to 12,316 and 26,618 is: 57,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316 : 26,618 = 26,618 : x
  2. Step 2: Convert to fraction form
    12,316/26,618 = 26,618/x
  3. Step 3: Cross multiply
    12,316x = 26,618 × 26,618
  4. Step 4: Simplify right side
    12,316x = 708,517,924
  5. Step 5: Solve for x
    x = 708,517,924/12,316
  6. Step 6: Final answer
    x = 57,528.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.