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Finding the Third Proportional to 38,510,154 and 84,579,012

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Solution

The third proportional to 38,510,154 and 84,579,012 is: 185,759,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510,154 : 84,579,012 = 84,579,012 : x
  2. Step 2: Convert to fraction form
    38,510,154/84,579,012 = 84,579,012/x
  3. Step 3: Cross multiply
    38,510,154x = 84,579,012 × 84,579,012
  4. Step 4: Simplify right side
    38,510,154x = 7,153,609,270,896,144
  5. Step 5: Solve for x
    x = 7,153,609,270,896,144/38,510,154
  6. Step 6: Final answer
    x = 185,759,040.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.