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Finding the Third Proportional to 203,755,186.13 and 317,739,679.59

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Solution

The third proportional to 203,755,186.13 and 317,739,679.59 is: 495,489,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,755,186.13 : 317,739,679.59 = 317,739,679.59 : x
  2. Step 2: Convert to fraction form
    203,755,186.13/317,739,679.59 = 317,739,679.59/x
  3. Step 3: Cross multiply
    203,755,186.13x = 317,739,679.59 × 317,739,679.59
  4. Step 4: Simplify right side
    203,755,186.13x = 100,958,503,988,338,912
  5. Step 5: Solve for x
    x = 100,958,503,988,338,912/203,755,186.13
  6. Step 6: Final answer
    x = 495,489,248.19

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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.