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Finding the Third Proportional to 203,721,480 and 441,286,972.88

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Solution

The third proportional to 203,721,480 and 441,286,972.88 is: 955,884,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,721,480 : 441,286,972.88 = 441,286,972.88 : x
  2. Step 2: Convert to fraction form
    203,721,480/441,286,972.88 = 441,286,972.88/x
  3. Step 3: Cross multiply
    203,721,480x = 441,286,972.88 × 441,286,972.88
  4. Step 4: Simplify right side
    203,721,480x = 194,734,192,429,180,992
  5. Step 5: Solve for x
    x = 194,734,192,429,180,992/203,721,480
  6. Step 6: Final answer
    x = 955,884,438.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.