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Finding the Third Proportional to 15,320.81 and 23,436

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Solution

The third proportional to 15,320.81 and 23,436 is: 35,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.81 : 23,436 = 23,436 : x
  2. Step 2: Convert to fraction form
    15,320.81/23,436 = 23,436/x
  3. Step 3: Cross multiply
    15,320.81x = 23,436 × 23,436
  4. Step 4: Simplify right side
    15,320.81x = 549,246,096
  5. Step 5: Solve for x
    x = 549,246,096/15,320.81
  6. Step 6: Final answer
    x = 35,849.67

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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.