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Finding the Third Proportional to 665,556,034.50 and 1,038,625,620.75

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Solution

The third proportional to 665,556,034.50 and 1,038,625,620.75 is: 1,620,814,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,556,034.50 : 1,038,625,620.75 = 1,038,625,620.75 : x
  2. Step 2: Convert to fraction form
    665,556,034.50/1,038,625,620.75 = 1,038,625,620.75/x
  3. Step 3: Cross multiply
    665,556,034.50x = 1,038,625,620.75 × 1,038,625,620.75
  4. Step 4: Simplify right side
    665,556,034.50x = 1,078,743,180,078,322,816
  5. Step 5: Solve for x
    x = 1,078,743,180,078,322,816/665,556,034.50
  6. Step 6: Final answer
    x = 1,620,814,963.97

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.