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Finding the Third Proportional to 18,936,602.72 and 40,769,264.25

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Solution

The third proportional to 18,936,602.72 and 40,769,264.25 is: 87,773,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936,602.72 : 40,769,264.25 = 40,769,264.25 : x
  2. Step 2: Convert to fraction form
    18,936,602.72/40,769,264.25 = 40,769,264.25/x
  3. Step 3: Cross multiply
    18,936,602.72x = 40,769,264.25 × 40,769,264.25
  4. Step 4: Simplify right side
    18,936,602.72x = 1,662,132,907,486,328
  5. Step 5: Solve for x
    x = 1,662,132,907,486,328/18,936,602.72
  6. Step 6: Final answer
    x = 87,773,553.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.