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Finding the Third Proportional to 130,915.13 and 200,177

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Solution

The third proportional to 130,915.13 and 200,177 is: 306,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,915.13 : 200,177 = 200,177 : x
  2. Step 2: Convert to fraction form
    130,915.13/200,177 = 200,177/x
  3. Step 3: Cross multiply
    130,915.13x = 200,177 × 200,177
  4. Step 4: Simplify right side
    130,915.13x = 40,070,831,329
  5. Step 5: Solve for x
    x = 40,070,831,329/130,915.13
  6. Step 6: Final answer
    x = 306,082.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.