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Finding the Third Proportional to 20,838,970,701 and 28,116,664,113.38

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Solution

The third proportional to 20,838,970,701 and 28,116,664,113.38 is: 37,935,981,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,838,970,701 : 28,116,664,113.38 = 28,116,664,113.38 : x
  2. Step 2: Convert to fraction form
    20,838,970,701/28,116,664,113.38 = 28,116,664,113.38/x
  3. Step 3: Cross multiply
    20,838,970,701x = 28,116,664,113.38 × 28,116,664,113.38
  4. Step 4: Simplify right side
    20,838,970,701x = 790,546,800,864,349,519,872
  5. Step 5: Solve for x
    x = 790,546,800,864,349,519,872/20,838,970,701
  6. Step 6: Final answer
    x = 37,935,981,205.94

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.