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Finding the Third Proportional to 153,906,450,949 and 330,975,293,538

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Solution

The third proportional to 153,906,450,949 and 330,975,293,538 is: 711,761,230,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,906,450,949 : 330,975,293,538 = 330,975,293,538 : x
  2. Step 2: Convert to fraction form
    153,906,450,949/330,975,293,538 = 330,975,293,538/x
  3. Step 3: Cross multiply
    153,906,450,949x = 330,975,293,538 × 330,975,293,538
  4. Step 4: Simplify right side
    153,906,450,949x = 109,544,644,932,565,259,517,952
  5. Step 5: Solve for x
    x = 109,544,644,932,565,259,517,952/153,906,450,949
  6. Step 6: Final answer
    x = 711,761,230,650.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.