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Finding the Third Proportional to 7,281,160.77 and 11,305,390.22

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Solution

The third proportional to 7,281,160.77 and 11,305,390.22 is: 17,553,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,160.77 : 11,305,390.22 = 11,305,390.22 : x
  2. Step 2: Convert to fraction form
    7,281,160.77/11,305,390.22 = 11,305,390.22/x
  3. Step 3: Cross multiply
    7,281,160.77x = 11,305,390.22 × 11,305,390.22
  4. Step 4: Simplify right side
    7,281,160.77x = 127,811,847,998,208.17
  5. Step 5: Solve for x
    x = 127,811,847,998,208.17/7,281,160.77
  6. Step 6: Final answer
    x = 17,553,773.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.