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Finding the Third Proportional to 6,290,922,488 and 9,767,856,456

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Solution

The third proportional to 6,290,922,488 and 9,767,856,456 is: 15,166,459,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290,922,488 : 9,767,856,456 = 9,767,856,456 : x
  2. Step 2: Convert to fraction form
    6,290,922,488/9,767,856,456 = 9,767,856,456/x
  3. Step 3: Cross multiply
    6,290,922,488x = 9,767,856,456 × 9,767,856,456
  4. Step 4: Simplify right side
    6,290,922,488x = 95,411,019,745,020,887,040
  5. Step 5: Solve for x
    x = 95,411,019,745,020,887,040/6,290,922,488
  6. Step 6: Final answer
    x = 15,166,459,279.54

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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.