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Finding the Third Proportional to 70,452,338 and 99,212,379

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Solution

The third proportional to 70,452,338 and 99,212,379 is: 139,712,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,452,338 : 99,212,379 = 99,212,379 : x
  2. Step 2: Convert to fraction form
    70,452,338/99,212,379 = 99,212,379/x
  3. Step 3: Cross multiply
    70,452,338x = 99,212,379 × 99,212,379
  4. Step 4: Simplify right side
    70,452,338x = 9,843,096,146,839,640
  5. Step 5: Solve for x
    x = 9,843,096,146,839,640/70,452,338
  6. Step 6: Final answer
    x = 139,712,838.87

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.