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Finding the Third Proportional to 70,905,019 and 154,233,292

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Solution

The third proportional to 70,905,019 and 154,233,292 is: 335,489,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905,019 : 154,233,292 = 154,233,292 : x
  2. Step 2: Convert to fraction form
    70,905,019/154,233,292 = 154,233,292/x
  3. Step 3: Cross multiply
    70,905,019x = 154,233,292 × 154,233,292
  4. Step 4: Simplify right side
    70,905,019x = 23,787,908,361,157,264
  5. Step 5: Solve for x
    x = 23,787,908,361,157,264/70,905,019
  6. Step 6: Final answer
    x = 335,489,767.81

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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.