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Finding the Third Proportional to 18,399,432,800 and 40,022,636,618

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Solution

The third proportional to 18,399,432,800 and 40,022,636,618 is: 87,057,653,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399,432,800 : 40,022,636,618 = 40,022,636,618 : x
  2. Step 2: Convert to fraction form
    18,399,432,800/40,022,636,618 = 40,022,636,618/x
  3. Step 3: Cross multiply
    18,399,432,800x = 40,022,636,618 × 40,022,636,618
  4. Step 4: Simplify right side
    18,399,432,800x = 1,601,811,441,856,474,513,408
  5. Step 5: Solve for x
    x = 1,601,811,441,856,474,513,408/18,399,432,800
  6. Step 6: Final answer
    x = 87,057,653,312.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.