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Finding the Third Proportional to 2,558,888,886 and 3,931,449,960

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Solution

The third proportional to 2,558,888,886 and 3,931,449,960 is: 6,040,238,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,888,886 : 3,931,449,960 = 3,931,449,960 : x
  2. Step 2: Convert to fraction form
    2,558,888,886/3,931,449,960 = 3,931,449,960/x
  3. Step 3: Cross multiply
    2,558,888,886x = 3,931,449,960 × 3,931,449,960
  4. Step 4: Simplify right side
    2,558,888,886x = 15,456,298,787,984,001,024
  5. Step 5: Solve for x
    x = 15,456,298,787,984,001,024/2,558,888,886
  6. Step 6: Final answer
    x = 6,040,238,352.10

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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.