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Finding the Third Proportional to 1,838,884,317 and 2,855,219,321.25

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Solution

The third proportional to 1,838,884,317 and 2,855,219,321.25 is: 4,433,273,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,884,317 : 2,855,219,321.25 = 2,855,219,321.25 : x
  2. Step 2: Convert to fraction form
    1,838,884,317/2,855,219,321.25 = 2,855,219,321.25/x
  3. Step 3: Cross multiply
    1,838,884,317x = 2,855,219,321.25 × 2,855,219,321.25
  4. Step 4: Simplify right side
    1,838,884,317x = 8,152,277,372,439,310,336
  5. Step 5: Solve for x
    x = 8,152,277,372,439,310,336/1,838,884,317
  6. Step 6: Final answer
    x = 4,433,273,641.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.