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Finding the Third Proportional to 2,151,439,500 and 3,165,637,554

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Solution

The third proportional to 2,151,439,500 and 3,165,637,554 is: 4,657,933,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,439,500 : 3,165,637,554 = 3,165,637,554 : x
  2. Step 2: Convert to fraction form
    2,151,439,500/3,165,637,554 = 3,165,637,554/x
  3. Step 3: Cross multiply
    2,151,439,500x = 3,165,637,554 × 3,165,637,554
  4. Step 4: Simplify right side
    2,151,439,500x = 10,021,261,123,295,102,976
  5. Step 5: Solve for x
    x = 10,021,261,123,295,102,976/2,151,439,500
  6. Step 6: Final answer
    x = 4,657,933,036.60

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.