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Finding the Third Proportional to 25,890,031.50 and 55,815,049.50

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Solution

The third proportional to 25,890,031.50 and 55,815,049.50 is: 120,328,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890,031.50 : 55,815,049.50 = 55,815,049.50 : x
  2. Step 2: Convert to fraction form
    25,890,031.50/55,815,049.50 = 55,815,049.50/x
  3. Step 3: Cross multiply
    25,890,031.50x = 55,815,049.50 × 55,815,049.50
  4. Step 4: Simplify right side
    25,890,031.50x = 3,115,319,750,687,450
  5. Step 5: Solve for x
    x = 3,115,319,750,687,450/25,890,031.50
  6. Step 6: Final answer
    x = 120,328,928.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.