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Finding the Third Proportional to 130,475 and 202,026

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Solution

The third proportional to 130,475 and 202,026 is: 312,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,475 : 202,026 = 202,026 : x
  2. Step 2: Convert to fraction form
    130,475/202,026 = 202,026/x
  3. Step 3: Cross multiply
    130,475x = 202,026 × 202,026
  4. Step 4: Simplify right side
    130,475x = 40,814,504,676
  5. Step 5: Solve for x
    x = 40,814,504,676/130,475
  6. Step 6: Final answer
    x = 312,814.75

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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.