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Finding the Third Proportional to 199,946.25 and 427,432.50

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Solution

The third proportional to 199,946.25 and 427,432.50 is: 913,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,946.25 : 427,432.50 = 427,432.50 : x
  2. Step 2: Convert to fraction form
    199,946.25/427,432.50 = 427,432.50/x
  3. Step 3: Cross multiply
    199,946.25x = 427,432.50 × 427,432.50
  4. Step 4: Simplify right side
    199,946.25x = 182,698,542,056.25
  5. Step 5: Solve for x
    x = 182,698,542,056.25/199,946.25
  6. Step 6: Final answer
    x = 913,738.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.