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Finding the Third Proportional to 87,057,706 and 190,030,940

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Solution

The third proportional to 87,057,706 and 190,030,940 is: 414,802,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,057,706 : 190,030,940 = 190,030,940 : x
  2. Step 2: Convert to fraction form
    87,057,706/190,030,940 = 190,030,940/x
  3. Step 3: Cross multiply
    87,057,706x = 190,030,940 × 190,030,940
  4. Step 4: Simplify right side
    87,057,706x = 36,111,758,157,283,600
  5. Step 5: Solve for x
    x = 36,111,758,157,283,600/87,057,706
  6. Step 6: Final answer
    x = 414,802,546.68

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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.