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Finding the Third Proportional to 18,189,539.88 and 27,277,630.63

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Solution

The third proportional to 18,189,539.88 and 27,277,630.63 is: 40,906,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,539.88 : 27,277,630.63 = 27,277,630.63 : x
  2. Step 2: Convert to fraction form
    18,189,539.88/27,277,630.63 = 27,277,630.63/x
  3. Step 3: Cross multiply
    18,189,539.88x = 27,277,630.63 × 27,277,630.63
  4. Step 4: Simplify right side
    18,189,539.88x = 744,069,132,513,937.88
  5. Step 5: Solve for x
    x = 744,069,132,513,937.88/18,189,539.88
  6. Step 6: Final answer
    x = 40,906,429.61

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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.