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Finding the Third Proportional to 64,074 and 137,618

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Solution

The third proportional to 64,074 and 137,618 is: 295,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074 : 137,618 = 137,618 : x
  2. Step 2: Convert to fraction form
    64,074/137,618 = 137,618/x
  3. Step 3: Cross multiply
    64,074x = 137,618 × 137,618
  4. Step 4: Simplify right side
    64,074x = 18,938,713,924
  5. Step 5: Solve for x
    x = 18,938,713,924/64,074
  6. Step 6: Final answer
    x = 295,575.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.