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Finding the Third Proportional to 18,257,460 and 38,552,070

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Solution

The third proportional to 18,257,460 and 38,552,070 is: 81,405,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,460 : 38,552,070 = 38,552,070 : x
  2. Step 2: Convert to fraction form
    18,257,460/38,552,070 = 38,552,070/x
  3. Step 3: Cross multiply
    18,257,460x = 38,552,070 × 38,552,070
  4. Step 4: Simplify right side
    18,257,460x = 1,486,262,101,284,900
  5. Step 5: Solve for x
    x = 1,486,262,101,284,900/18,257,460
  6. Step 6: Final answer
    x = 81,405,743.26

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.