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Finding the Third Proportional to 453,618 and 667,304

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Solution

The third proportional to 453,618 and 667,304 is: 981,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,618 : 667,304 = 667,304 : x
  2. Step 2: Convert to fraction form
    453,618/667,304 = 667,304/x
  3. Step 3: Cross multiply
    453,618x = 667,304 × 667,304
  4. Step 4: Simplify right side
    453,618x = 445,294,628,416
  5. Step 5: Solve for x
    x = 445,294,628,416/453,618
  6. Step 6: Final answer
    x = 981,651.14

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.