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Finding the Third Proportional to 18,277,064.03 and 40,640,618.72

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Solution

The third proportional to 18,277,064.03 and 40,640,618.72 is: 90,367,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277,064.03 : 40,640,618.72 = 40,640,618.72 : x
  2. Step 2: Convert to fraction form
    18,277,064.03/40,640,618.72 = 40,640,618.72/x
  3. Step 3: Cross multiply
    18,277,064.03x = 40,640,618.72 × 40,640,618.72
  4. Step 4: Simplify right side
    18,277,064.03x = 1,651,659,889,842,813
  5. Step 5: Solve for x
    x = 1,651,659,889,842,813/18,277,064.03
  6. Step 6: Final answer
    x = 90,367,899.73

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.