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Finding the Third Proportional to 19,787,680,920 and 43,130,898,864

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Solution

The third proportional to 19,787,680,920 and 43,130,898,864 is: 94,011,746,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,680,920 : 43,130,898,864 = 43,130,898,864 : x
  2. Step 2: Convert to fraction form
    19,787,680,920/43,130,898,864 = 43,130,898,864/x
  3. Step 3: Cross multiply
    19,787,680,920x = 43,130,898,864 × 43,130,898,864
  4. Step 4: Simplify right side
    19,787,680,920x = 1,860,274,436,816,596,369,408
  5. Step 5: Solve for x
    x = 1,860,274,436,816,596,369,408/19,787,680,920
  6. Step 6: Final answer
    x = 94,011,746,214.10

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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.