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Finding the Third Proportional to 7,910,674.31 and 11,887,077.38

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Solution

The third proportional to 7,910,674.31 and 11,887,077.38 is: 17,862,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910,674.31 : 11,887,077.38 = 11,887,077.38 : x
  2. Step 2: Convert to fraction form
    7,910,674.31/11,887,077.38 = 11,887,077.38/x
  3. Step 3: Cross multiply
    7,910,674.31x = 11,887,077.38 × 11,887,077.38
  4. Step 4: Simplify right side
    7,910,674.31x = 141,302,608,519,236.88
  5. Step 5: Solve for x
    x = 141,302,608,519,236.88/7,910,674.31
  6. Step 6: Final answer
    x = 17,862,271.02

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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.