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Finding the Third Proportional to 2,558,888,887 and 3,931,449,961.50

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Solution

The third proportional to 2,558,888,887 and 3,931,449,961.50 is: 6,040,238,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,888,887 : 3,931,449,961.50 = 3,931,449,961.50 : x
  2. Step 2: Convert to fraction form
    2,558,888,887/3,931,449,961.50 = 3,931,449,961.50/x
  3. Step 3: Cross multiply
    2,558,888,887x = 3,931,449,961.50 × 3,931,449,961.50
  4. Step 4: Simplify right side
    2,558,888,887x = 15,456,298,799,778,351,104
  5. Step 5: Solve for x
    x = 15,456,298,799,778,351,104/2,558,888,887
  6. Step 6: Final answer
    x = 6,040,238,354.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.