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Finding the Third Proportional to 5,090,590.13 and 7,120,733.63

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Solution

The third proportional to 5,090,590.13 and 7,120,733.63 is: 9,960,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,590.13 : 7,120,733.63 = 7,120,733.63 : x
  2. Step 2: Convert to fraction form
    5,090,590.13/7,120,733.63 = 7,120,733.63/x
  3. Step 3: Cross multiply
    5,090,590.13x = 7,120,733.63 × 7,120,733.63
  4. Step 4: Simplify right side
    5,090,590.13x = 50,704,847,358,205.64
  5. Step 5: Solve for x
    x = 50,704,847,358,205.64/5,090,590.13
  6. Step 6: Final answer
    x = 9,960,504.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.