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Finding the Third Proportional to 235,015.50 and 351,639

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Solution

The third proportional to 235,015.50 and 351,639 is: 526,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,015.50 : 351,639 = 351,639 : x
  2. Step 2: Convert to fraction form
    235,015.50/351,639 = 351,639/x
  3. Step 3: Cross multiply
    235,015.50x = 351,639 × 351,639
  4. Step 4: Simplify right side
    235,015.50x = 123,649,986,321
  5. Step 5: Solve for x
    x = 123,649,986,321/235,015.50
  6. Step 6: Final answer
    x = 526,135.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.