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Finding the Third Proportional to 383,387,905 and 839,755,028

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Solution

The third proportional to 383,387,905 and 839,755,028 is: 1,839,360,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,387,905 : 839,755,028 = 839,755,028 : x
  2. Step 2: Convert to fraction form
    383,387,905/839,755,028 = 839,755,028/x
  3. Step 3: Cross multiply
    383,387,905x = 839,755,028 × 839,755,028
  4. Step 4: Simplify right side
    383,387,905x = 705,188,507,051,280,768
  5. Step 5: Solve for x
    x = 705,188,507,051,280,768/383,387,905
  6. Step 6: Final answer
    x = 1,839,360,339.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.