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Finding the Third Proportional to 15,508,573.88 and 25,757,770.50

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Solution

The third proportional to 15,508,573.88 and 25,757,770.50 is: 42,780,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,508,573.88 : 25,757,770.50 = 25,757,770.50 : x
  2. Step 2: Convert to fraction form
    15,508,573.88/25,757,770.50 = 25,757,770.50/x
  3. Step 3: Cross multiply
    15,508,573.88x = 25,757,770.50 × 25,757,770.50
  4. Step 4: Simplify right side
    15,508,573.88x = 663,462,741,130,670.25
  5. Step 5: Solve for x
    x = 663,462,741,130,670.25/15,508,573.88
  6. Step 6: Final answer
    x = 42,780,383.71

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.