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Finding the Third Proportional to 25,129,510 and 54,708,782

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Solution

The third proportional to 25,129,510 and 54,708,782 is: 119,105,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129,510 : 54,708,782 = 54,708,782 : x
  2. Step 2: Convert to fraction form
    25,129,510/54,708,782 = 54,708,782/x
  3. Step 3: Cross multiply
    25,129,510x = 54,708,782 × 54,708,782
  4. Step 4: Simplify right side
    25,129,510x = 2,993,050,827,923,524
  5. Step 5: Solve for x
    x = 2,993,050,827,923,524/25,129,510
  6. Step 6: Final answer
    x = 119,105,021.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.