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Finding the Third Proportional to 88,411 and 190,940

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Solution

The third proportional to 88,411 and 190,940 is: 412,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,411 : 190,940 = 190,940 : x
  2. Step 2: Convert to fraction form
    88,411/190,940 = 190,940/x
  3. Step 3: Cross multiply
    88,411x = 190,940 × 190,940
  4. Step 4: Simplify right side
    88,411x = 36,458,083,600
  5. Step 5: Solve for x
    x = 36,458,083,600/88,411
  6. Step 6: Final answer
    x = 412,370.45

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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.