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Finding the Third Proportional to 25,129,512 and 54,708,786

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Solution

The third proportional to 25,129,512 and 54,708,786 is: 119,105,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129,512 : 54,708,786 = 54,708,786 : x
  2. Step 2: Convert to fraction form
    25,129,512/54,708,786 = 54,708,786/x
  3. Step 3: Cross multiply
    25,129,512x = 54,708,786 × 54,708,786
  4. Step 4: Simplify right side
    25,129,512x = 2,993,051,265,593,796
  5. Step 5: Solve for x
    x = 2,993,051,265,593,796/25,129,512
  6. Step 6: Final answer
    x = 119,105,029.40

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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.