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Finding the Third Proportional to 452,173.50 and 699,831.50

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Solution

The third proportional to 452,173.50 and 699,831.50 is: 1,083,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,173.50 : 699,831.50 = 699,831.50 : x
  2. Step 2: Convert to fraction form
    452,173.50/699,831.50 = 699,831.50/x
  3. Step 3: Cross multiply
    452,173.50x = 699,831.50 × 699,831.50
  4. Step 4: Simplify right side
    452,173.50x = 489,764,128,392.25
  5. Step 5: Solve for x
    x = 489,764,128,392.25/452,173.50
  6. Step 6: Final answer
    x = 1,083,133.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.