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Finding the Third Proportional to 220,127.63 and 343,176.75

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Solution

The third proportional to 220,127.63 and 343,176.75 is: 535,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,127.63 : 343,176.75 = 343,176.75 : x
  2. Step 2: Convert to fraction form
    220,127.63/343,176.75 = 343,176.75/x
  3. Step 3: Cross multiply
    220,127.63x = 343,176.75 × 343,176.75
  4. Step 4: Simplify right side
    220,127.63x = 117,770,281,740.56
  5. Step 5: Solve for x
    x = 117,770,281,740.56/220,127.63
  6. Step 6: Final answer
    x = 535,009.10

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.