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Finding the Third Proportional to 38,858,379.75 and 83,769,895.88

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Solution

The third proportional to 38,858,379.75 and 83,769,895.88 is: 180,588,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858,379.75 : 83,769,895.88 = 83,769,895.88 : x
  2. Step 2: Convert to fraction form
    38,858,379.75/83,769,895.88 = 83,769,895.88/x
  3. Step 3: Cross multiply
    38,858,379.75x = 83,769,895.88 × 83,769,895.88
  4. Step 4: Simplify right side
    38,858,379.75x = 7,017,395,454,908,342
  5. Step 5: Solve for x
    x = 7,017,395,454,908,342/38,858,379.75
  6. Step 6: Final answer
    x = 180,588,987.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.