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Finding the Third Proportional to 78,633,592.88 and 123,084,060.75

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Solution

The third proportional to 78,633,592.88 and 123,084,060.75 is: 192,661,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,633,592.88 : 123,084,060.75 = 123,084,060.75 : x
  2. Step 2: Convert to fraction form
    78,633,592.88/123,084,060.75 = 123,084,060.75/x
  3. Step 3: Cross multiply
    78,633,592.88x = 123,084,060.75 × 123,084,060.75
  4. Step 4: Simplify right side
    78,633,592.88x = 15,149,686,010,709,690
  5. Step 5: Solve for x
    x = 15,149,686,010,709,690/78,633,592.88
  6. Step 6: Final answer
    x = 192,661,755.07

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.