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Finding the Third Proportional to 18,929,144,872 and 40,999,454,700

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Solution

The third proportional to 18,929,144,872 and 40,999,454,700 is: 88,802,494,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,144,872 : 40,999,454,700 = 40,999,454,700 : x
  2. Step 2: Convert to fraction form
    18,929,144,872/40,999,454,700 = 40,999,454,700/x
  3. Step 3: Cross multiply
    18,929,144,872x = 40,999,454,700 × 40,999,454,700
  4. Step 4: Simplify right side
    18,929,144,872x = 1,680,955,285,697,352,171,520
  5. Step 5: Solve for x
    x = 1,680,955,285,697,352,171,520/18,929,144,872
  6. Step 6: Final answer
    x = 88,802,494,622.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.