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Finding the Third Proportional to 18,157,189.08 and 38,904,739.52

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Solution

The third proportional to 18,157,189.08 and 38,904,739.52 is: 83,359,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,189.08 : 38,904,739.52 = 38,904,739.52 : x
  2. Step 2: Convert to fraction form
    18,157,189.08/38,904,739.52 = 38,904,739.52/x
  3. Step 3: Cross multiply
    18,157,189.08x = 38,904,739.52 × 38,904,739.52
  4. Step 4: Simplify right side
    18,157,189.08x = 1,513,578,757,386,558.75
  5. Step 5: Solve for x
    x = 1,513,578,757,386,558.75/18,157,189.08
  6. Step 6: Final answer
    x = 83,359,750.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.