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Finding the Third Proportional to 286,531,618 and 454,440,544

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Solution

The third proportional to 286,531,618 and 454,440,544 is: 720,744,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,531,618 : 454,440,544 = 454,440,544 : x
  2. Step 2: Convert to fraction form
    286,531,618/454,440,544 = 454,440,544/x
  3. Step 3: Cross multiply
    286,531,618x = 454,440,544 × 454,440,544
  4. Step 4: Simplify right side
    286,531,618x = 206,516,208,031,015,936
  5. Step 5: Solve for x
    x = 206,516,208,031,015,936/286,531,618
  6. Step 6: Final answer
    x = 720,744,919.78

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.