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Finding the Third Proportional to 19,485,378.71 and 27,241,706.09

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Solution

The third proportional to 19,485,378.71 and 27,241,706.09 is: 38,085,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485,378.71 : 27,241,706.09 = 27,241,706.09 : x
  2. Step 2: Convert to fraction form
    19,485,378.71/27,241,706.09 = 27,241,706.09/x
  3. Step 3: Cross multiply
    19,485,378.71x = 27,241,706.09 × 27,241,706.09
  4. Step 4: Simplify right side
    19,485,378.71x = 742,110,550,672,149.75
  5. Step 5: Solve for x
    x = 742,110,550,672,149.75/19,485,378.71
  6. Step 6: Final answer
    x = 38,085,508.21

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.