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Finding the Third Proportional to 17,968,370 and 39,084,980

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Solution

The third proportional to 17,968,370 and 39,084,980 is: 85,018,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968,370 : 39,084,980 = 39,084,980 : x
  2. Step 2: Convert to fraction form
    17,968,370/39,084,980 = 39,084,980/x
  3. Step 3: Cross multiply
    17,968,370x = 39,084,980 × 39,084,980
  4. Step 4: Simplify right side
    17,968,370x = 1,527,635,661,600,400
  5. Step 5: Solve for x
    x = 1,527,635,661,600,400/17,968,370
  6. Step 6: Final answer
    x = 85,018,043.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.