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Finding the Third Proportional to 979,539,898.50 and 2,131,260,120

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Solution

The third proportional to 979,539,898.50 and 2,131,260,120 is: 4,637,146,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,539,898.50 : 2,131,260,120 = 2,131,260,120 : x
  2. Step 2: Convert to fraction form
    979,539,898.50/2,131,260,120 = 2,131,260,120/x
  3. Step 3: Cross multiply
    979,539,898.50x = 2,131,260,120 × 2,131,260,120
  4. Step 4: Simplify right side
    979,539,898.50x = 4,542,269,699,102,414,336
  5. Step 5: Solve for x
    x = 4,542,269,699,102,414,336/979,539,898.50
  6. Step 6: Final answer
    x = 4,637,146,180.63

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.