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Finding the Third Proportional to 14,218.88 and 30,618

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Solution

The third proportional to 14,218.88 and 30,618 is: 65,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.88 : 30,618 = 30,618 : x
  2. Step 2: Convert to fraction form
    14,218.88/30,618 = 30,618/x
  3. Step 3: Cross multiply
    14,218.88x = 30,618 × 30,618
  4. Step 4: Simplify right side
    14,218.88x = 937,461,924
  5. Step 5: Solve for x
    x = 937,461,924/14,218.88
  6. Step 6: Final answer
    x = 65,930.81

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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.