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Finding the Third Proportional to 546,861.75 and 856,134

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Solution

The third proportional to 546,861.75 and 856,134 is: 1,340,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,861.75 : 856,134 = 856,134 : x
  2. Step 2: Convert to fraction form
    546,861.75/856,134 = 856,134/x
  3. Step 3: Cross multiply
    546,861.75x = 856,134 × 856,134
  4. Step 4: Simplify right side
    546,861.75x = 732,965,425,956
  5. Step 5: Solve for x
    x = 732,965,425,956/546,861.75
  6. Step 6: Final answer
    x = 1,340,312.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.