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Finding the Third Proportional to 1,387,336,111 and 3,237,229,395

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Solution

The third proportional to 1,387,336,111 and 3,237,229,395 is: 7,553,796,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,336,111 : 3,237,229,395 = 3,237,229,395 : x
  2. Step 2: Convert to fraction form
    1,387,336,111/3,237,229,395 = 3,237,229,395/x
  3. Step 3: Cross multiply
    1,387,336,111x = 3,237,229,395 × 3,237,229,395
  4. Step 4: Simplify right side
    1,387,336,111x = 10,479,654,155,852,066,816
  5. Step 5: Solve for x
    x = 10,479,654,155,852,066,816/1,387,336,111
  6. Step 6: Final answer
    x = 7,553,796,136.90

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.