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Finding the Third Proportional to 7,372,876.76 and 11,059,317.28

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Solution

The third proportional to 7,372,876.76 and 11,059,317.28 is: 16,588,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,876.76 : 11,059,317.28 = 11,059,317.28 : x
  2. Step 2: Convert to fraction form
    7,372,876.76/11,059,317.28 = 11,059,317.28/x
  3. Step 3: Cross multiply
    7,372,876.76x = 11,059,317.28 × 11,059,317.28
  4. Step 4: Simplify right side
    7,372,876.76x = 122,308,498,727,354.89
  5. Step 5: Solve for x
    x = 122,308,498,727,354.89/7,372,876.76
  6. Step 6: Final answer
    x = 16,588,979.13

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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.