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Finding the Third Proportional to 108,618 and 163,622

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Solution

The third proportional to 108,618 and 163,622 is: 246,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,618 : 163,622 = 163,622 : x
  2. Step 2: Convert to fraction form
    108,618/163,622 = 163,622/x
  3. Step 3: Cross multiply
    108,618x = 163,622 × 163,622
  4. Step 4: Simplify right side
    108,618x = 26,772,158,884
  5. Step 5: Solve for x
    x = 26,772,158,884/108,618
  6. Step 6: Final answer
    x = 246,479.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.