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Finding the Third Proportional to 38,554,146 and 81,084,240

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Solution

The third proportional to 38,554,146 and 81,084,240 is: 170,530,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554,146 : 81,084,240 = 81,084,240 : x
  2. Step 2: Convert to fraction form
    38,554,146/81,084,240 = 81,084,240/x
  3. Step 3: Cross multiply
    38,554,146x = 81,084,240 × 81,084,240
  4. Step 4: Simplify right side
    38,554,146x = 6,574,653,976,377,600
  5. Step 5: Solve for x
    x = 6,574,653,976,377,600/38,554,146
  6. Step 6: Final answer
    x = 170,530,400.97

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.