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Finding the Third Proportional to 1,988,747,301.50 and 2,765,194,159

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Solution

The third proportional to 1,988,747,301.50 and 2,765,194,159 is: 3,844,781,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,747,301.50 : 2,765,194,159 = 2,765,194,159 : x
  2. Step 2: Convert to fraction form
    1,988,747,301.50/2,765,194,159 = 2,765,194,159/x
  3. Step 3: Cross multiply
    1,988,747,301.50x = 2,765,194,159 × 2,765,194,159
  4. Step 4: Simplify right side
    1,988,747,301.50x = 7,646,298,736,967,716,864
  5. Step 5: Solve for x
    x = 7,646,298,736,967,716,864/1,988,747,301.50
  6. Step 6: Final answer
    x = 3,844,781,451.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.