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Finding the Third Proportional to 163,462.50 and 253,213.50

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Solution

The third proportional to 163,462.50 and 253,213.50 is: 392,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,462.50 : 253,213.50 = 253,213.50 : x
  2. Step 2: Convert to fraction form
    163,462.50/253,213.50 = 253,213.50/x
  3. Step 3: Cross multiply
    163,462.50x = 253,213.50 × 253,213.50
  4. Step 4: Simplify right side
    163,462.50x = 64,117,076,582.25
  5. Step 5: Solve for x
    x = 64,117,076,582.25/163,462.50
  6. Step 6: Final answer
    x = 392,243.34

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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.