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Finding the Third Proportional to 1,623,385,879.50 and 2,509,628,337

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Solution

The third proportional to 1,623,385,879.50 and 2,509,628,337 is: 3,879,690,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,385,879.50 : 2,509,628,337 = 2,509,628,337 : x
  2. Step 2: Convert to fraction form
    1,623,385,879.50/2,509,628,337 = 2,509,628,337/x
  3. Step 3: Cross multiply
    1,623,385,879.50x = 2,509,628,337 × 2,509,628,337
  4. Step 4: Simplify right side
    1,623,385,879.50x = 6,298,234,389,873,385,472
  5. Step 5: Solve for x
    x = 6,298,234,389,873,385,472/1,623,385,879.50
  6. Step 6: Final answer
    x = 3,879,690,263.05

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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.