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Finding the Third Proportional to 124,782 and 266,154

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Solution

The third proportional to 124,782 and 266,154 is: 567,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,782 : 266,154 = 266,154 : x
  2. Step 2: Convert to fraction form
    124,782/266,154 = 266,154/x
  3. Step 3: Cross multiply
    124,782x = 266,154 × 266,154
  4. Step 4: Simplify right side
    124,782x = 70,837,951,716
  5. Step 5: Solve for x
    x = 70,837,951,716/124,782
  6. Step 6: Final answer
    x = 567,693.67

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.