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Finding the Third Proportional to 163,968.75 and 353,088

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Solution

The third proportional to 163,968.75 and 353,088 is: 760,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,968.75 : 353,088 = 353,088 : x
  2. Step 2: Convert to fraction form
    163,968.75/353,088 = 353,088/x
  3. Step 3: Cross multiply
    163,968.75x = 353,088 × 353,088
  4. Step 4: Simplify right side
    163,968.75x = 124,671,135,744
  5. Step 5: Solve for x
    x = 124,671,135,744/163,968.75
  6. Step 6: Final answer
    x = 760,334.73

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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.