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Finding the Third Proportional to 235,210.50 and 355,005

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Solution

The third proportional to 235,210.50 and 355,005 is: 535,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,210.50 : 355,005 = 355,005 : x
  2. Step 2: Convert to fraction form
    235,210.50/355,005 = 355,005/x
  3. Step 3: Cross multiply
    235,210.50x = 355,005 × 355,005
  4. Step 4: Simplify right side
    235,210.50x = 126,028,550,025
  5. Step 5: Solve for x
    x = 126,028,550,025/235,210.50
  6. Step 6: Final answer
    x = 535,811.75

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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.