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Finding the Third Proportional to 235,078.50 and 354,328.50

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Solution

The third proportional to 235,078.50 and 354,328.50 is: 534,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,078.50 : 354,328.50 = 354,328.50 : x
  2. Step 2: Convert to fraction form
    235,078.50/354,328.50 = 354,328.50/x
  3. Step 3: Cross multiply
    235,078.50x = 354,328.50 × 354,328.50
  4. Step 4: Simplify right side
    235,078.50x = 125,548,685,912.25
  5. Step 5: Solve for x
    x = 125,548,685,912.25/235,078.50
  6. Step 6: Final answer
    x = 534,071.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.