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Finding the Third Proportional to 163,561.50 and 239,989.50

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Solution

The third proportional to 163,561.50 and 239,989.50 is: 352,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,561.50 : 239,989.50 = 239,989.50 : x
  2. Step 2: Convert to fraction form
    163,561.50/239,989.50 = 239,989.50/x
  3. Step 3: Cross multiply
    163,561.50x = 239,989.50 × 239,989.50
  4. Step 4: Simplify right side
    163,561.50x = 57,594,960,110.25
  5. Step 5: Solve for x
    x = 57,594,960,110.25/163,561.50
  6. Step 6: Final answer
    x = 352,130.30

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.