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Finding the Third Proportional to 83,972 and 130,014.75

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Solution

The third proportional to 83,972 and 130,014.75 is: 201,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,972 : 130,014.75 = 130,014.75 : x
  2. Step 2: Convert to fraction form
    83,972/130,014.75 = 130,014.75/x
  3. Step 3: Cross multiply
    83,972x = 130,014.75 × 130,014.75
  4. Step 4: Simplify right side
    83,972x = 16,903,835,217.56
  5. Step 5: Solve for x
    x = 16,903,835,217.56/83,972
  6. Step 6: Final answer
    x = 201,303.23

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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.