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Finding the Third Proportional to 250,447,311 and 389,982,501

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Solution

The third proportional to 250,447,311 and 389,982,501 is: 607,258,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447,311 : 389,982,501 = 389,982,501 : x
  2. Step 2: Convert to fraction form
    250,447,311/389,982,501 = 389,982,501/x
  3. Step 3: Cross multiply
    250,447,311x = 389,982,501 × 389,982,501
  4. Step 4: Simplify right side
    250,447,311x = 152,086,351,086,215,008
  5. Step 5: Solve for x
    x = 152,086,351,086,215,008/250,447,311
  6. Step 6: Final answer
    x = 607,258,870.06

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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.