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Finding the Third Proportional to 2,015,623,899 and 3,129,558,000

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Solution

The third proportional to 2,015,623,899 and 3,129,558,000 is: 4,859,107,535.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,623,899 : 3,129,558,000 = 3,129,558,000 : x
  2. Step 2: Convert to fraction form
    2,015,623,899/3,129,558,000 = 3,129,558,000/x
  3. Step 3: Cross multiply
    2,015,623,899x = 3,129,558,000 × 3,129,558,000
  4. Step 4: Simplify right side
    2,015,623,899x = 9,794,133,275,363,999,744
  5. Step 5: Solve for x
    x = 9,794,133,275,363,999,744/2,015,623,899
  6. Step 6: Final answer
    x = 4,859,107,535.00

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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.