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Finding the Third Proportional to 653,379.75 and 980,070.75

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Solution

The third proportional to 653,379.75 and 980,070.75 is: 1,470,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,379.75 : 980,070.75 = 980,070.75 : x
  2. Step 2: Convert to fraction form
    653,379.75/980,070.75 = 980,070.75/x
  3. Step 3: Cross multiply
    653,379.75x = 980,070.75 × 980,070.75
  4. Step 4: Simplify right side
    653,379.75x = 960,538,675,005.56
  5. Step 5: Solve for x
    x = 960,538,675,005.56/653,379.75
  6. Step 6: Final answer
    x = 1,470,107.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.