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Finding the Third Proportional to 202,145.63 and 336,919.50

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Solution

The third proportional to 202,145.63 and 336,919.50 is: 561,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,145.63 : 336,919.50 = 336,919.50 : x
  2. Step 2: Convert to fraction form
    202,145.63/336,919.50 = 336,919.50/x
  3. Step 3: Cross multiply
    202,145.63x = 336,919.50 × 336,919.50
  4. Step 4: Simplify right side
    202,145.63x = 113,514,749,480.25
  5. Step 5: Solve for x
    x = 113,514,749,480.25/202,145.63
  6. Step 6: Final answer
    x = 561,549.38

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.