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Finding the Third Proportional to 876,303,481.50 and 1,361,221,956

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Solution

The third proportional to 876,303,481.50 and 1,361,221,956 is: 2,114,478,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,303,481.50 : 1,361,221,956 = 1,361,221,956 : x
  2. Step 2: Convert to fraction form
    876,303,481.50/1,361,221,956 = 1,361,221,956/x
  3. Step 3: Cross multiply
    876,303,481.50x = 1,361,221,956 × 1,361,221,956
  4. Step 4: Simplify right side
    876,303,481.50x = 1,852,925,213,496,465,920
  5. Step 5: Solve for x
    x = 1,852,925,213,496,465,920/876,303,481.50
  6. Step 6: Final answer
    x = 2,114,478,890.72

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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.