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Finding the Third Proportional to 4,956,385.50 and 7,717,275

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Solution

The third proportional to 4,956,385.50 and 7,717,275 is: 12,016,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956,385.50 : 7,717,275 = 7,717,275 : x
  2. Step 2: Convert to fraction form
    4,956,385.50/7,717,275 = 7,717,275/x
  3. Step 3: Cross multiply
    4,956,385.50x = 7,717,275 × 7,717,275
  4. Step 4: Simplify right side
    4,956,385.50x = 59,556,333,425,625
  5. Step 5: Solve for x
    x = 59,556,333,425,625/4,956,385.50
  6. Step 6: Final answer
    x = 12,016,081.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.