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Finding the Third Proportional to 127,429.50 and 202,445.25

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Solution

The third proportional to 127,429.50 and 202,445.25 is: 321,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,429.50 : 202,445.25 = 202,445.25 : x
  2. Step 2: Convert to fraction form
    127,429.50/202,445.25 = 202,445.25/x
  3. Step 3: Cross multiply
    127,429.50x = 202,445.25 × 202,445.25
  4. Step 4: Simplify right side
    127,429.50x = 40,984,079,247.56
  5. Step 5: Solve for x
    x = 40,984,079,247.56/127,429.50
  6. Step 6: Final answer
    x = 321,621.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.