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Finding the Third Proportional to 72,727,158,449 and 169,923,457,985

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Solution

The third proportional to 72,727,158,449 and 169,923,457,985 is: 397,017,870,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,727,158,449 : 169,923,457,985 = 169,923,457,985 : x
  2. Step 2: Convert to fraction form
    72,727,158,449/169,923,457,985 = 169,923,457,985/x
  3. Step 3: Cross multiply
    72,727,158,449x = 169,923,457,985 × 169,923,457,985
  4. Step 4: Simplify right side
    72,727,158,449x = 28,873,981,573,580,061,671,424
  5. Step 5: Solve for x
    x = 28,873,981,573,580,061,671,424/72,727,158,449
  6. Step 6: Final answer
    x = 397,017,870,481.33

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.