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Finding the Third Proportional to 74,801.53 and 163,909.55

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Solution

The third proportional to 74,801.53 and 163,909.55 is: 359,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,801.53 : 163,909.55 = 163,909.55 : x
  2. Step 2: Convert to fraction form
    74,801.53/163,909.55 = 163,909.55/x
  3. Step 3: Cross multiply
    74,801.53x = 163,909.55 × 163,909.55
  4. Step 4: Simplify right side
    74,801.53x = 26,866,339,556.77
  5. Step 5: Solve for x
    x = 26,866,339,556.77/74,801.53
  6. Step 6: Final answer
    x = 359,168.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.