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Finding the Third Proportional to 5,204,627,868 and 7,928,973,498

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Solution

The third proportional to 5,204,627,868 and 7,928,973,498 is: 12,079,369,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204,627,868 : 7,928,973,498 = 7,928,973,498 : x
  2. Step 2: Convert to fraction form
    5,204,627,868/7,928,973,498 = 7,928,973,498/x
  3. Step 3: Cross multiply
    5,204,627,868x = 7,928,973,498 × 7,928,973,498
  4. Step 4: Simplify right side
    5,204,627,868x = 62,868,620,731,986,354,176
  5. Step 5: Solve for x
    x = 62,868,620,731,986,354,176/5,204,627,868
  6. Step 6: Final answer
    x = 12,079,369,039.72

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.