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Finding the Third Proportional to 235,909.50 and 513,289.50

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Solution

The third proportional to 235,909.50 and 513,289.50 is: 1,116,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,909.50 : 513,289.50 = 513,289.50 : x
  2. Step 2: Convert to fraction form
    235,909.50/513,289.50 = 513,289.50/x
  3. Step 3: Cross multiply
    235,909.50x = 513,289.50 × 513,289.50
  4. Step 4: Simplify right side
    235,909.50x = 263,466,110,810.25
  5. Step 5: Solve for x
    x = 263,466,110,810.25/235,909.50
  6. Step 6: Final answer
    x = 1,116,810.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.