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Finding the Third Proportional to 18,277,066 and 40,640,623

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Solution

The third proportional to 18,277,066 and 40,640,623 is: 90,367,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277,066 : 40,640,623 = 40,640,623 : x
  2. Step 2: Convert to fraction form
    18,277,066/40,640,623 = 40,640,623/x
  3. Step 3: Cross multiply
    18,277,066x = 40,640,623 × 40,640,623
  4. Step 4: Simplify right side
    18,277,066x = 1,651,660,237,828,129
  5. Step 5: Solve for x
    x = 1,651,660,237,828,129/18,277,066
  6. Step 6: Final answer
    x = 90,367,909.04

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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.