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Finding the Third Proportional to 20,190,140 and 31,322,264

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Solution

The third proportional to 20,190,140 and 31,322,264 is: 48,592,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,140 : 31,322,264 = 31,322,264 : x
  2. Step 2: Convert to fraction form
    20,190,140/31,322,264 = 31,322,264/x
  3. Step 3: Cross multiply
    20,190,140x = 31,322,264 × 31,322,264
  4. Step 4: Simplify right side
    20,190,140x = 981,084,222,085,696
  5. Step 5: Solve for x
    x = 981,084,222,085,696/20,190,140
  6. Step 6: Final answer
    x = 48,592,244.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.