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Finding the Third Proportional to 18,665,944 and 38,626,608

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Solution

The third proportional to 18,665,944 and 38,626,608 is: 79,932,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,944 : 38,626,608 = 38,626,608 : x
  2. Step 2: Convert to fraction form
    18,665,944/38,626,608 = 38,626,608/x
  3. Step 3: Cross multiply
    18,665,944x = 38,626,608 × 38,626,608
  4. Step 4: Simplify right side
    18,665,944x = 1,492,014,845,585,664
  5. Step 5: Solve for x
    x = 1,492,014,845,585,664/18,665,944
  6. Step 6: Final answer
    x = 79,932,461.26

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.