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Finding the Third Proportional to 131,595.89 and 211,916.88

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Solution

The third proportional to 131,595.89 and 211,916.88 is: 341,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,595.89 : 211,916.88 = 211,916.88 : x
  2. Step 2: Convert to fraction form
    131,595.89/211,916.88 = 211,916.88/x
  3. Step 3: Cross multiply
    131,595.89x = 211,916.88 × 211,916.88
  4. Step 4: Simplify right side
    131,595.89x = 44,908,765,220.97
  5. Step 5: Solve for x
    x = 44,908,765,220.97/131,595.89
  6. Step 6: Final answer
    x = 341,262.67

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.