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Finding the Third Proportional to 39,892,064.63 and 87,350,844.38

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Solution

The third proportional to 39,892,064.63 and 87,350,844.38 is: 191,270,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892,064.63 : 87,350,844.38 = 87,350,844.38 : x
  2. Step 2: Convert to fraction form
    39,892,064.63/87,350,844.38 = 87,350,844.38/x
  3. Step 3: Cross multiply
    39,892,064.63x = 87,350,844.38 × 87,350,844.38
  4. Step 4: Simplify right side
    39,892,064.63x = 7,630,170,013,025,469
  5. Step 5: Solve for x
    x = 7,630,170,013,025,469/39,892,064.63
  6. Step 6: Final answer
    x = 191,270,371.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.