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Finding the Third Proportional to 75,778 and 114,618

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Solution

The third proportional to 75,778 and 114,618 is: 173,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,778 : 114,618 = 114,618 : x
  2. Step 2: Convert to fraction form
    75,778/114,618 = 114,618/x
  3. Step 3: Cross multiply
    75,778x = 114,618 × 114,618
  4. Step 4: Simplify right side
    75,778x = 13,137,285,924
  5. Step 5: Solve for x
    x = 13,137,285,924/75,778
  6. Step 6: Final answer
    x = 173,365.43

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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.