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Finding the Third Proportional to 306,034.50 and 459,051

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Solution

The third proportional to 306,034.50 and 459,051 is: 688,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,034.50 : 459,051 = 459,051 : x
  2. Step 2: Convert to fraction form
    306,034.50/459,051 = 459,051/x
  3. Step 3: Cross multiply
    306,034.50x = 459,051 × 459,051
  4. Step 4: Simplify right side
    306,034.50x = 210,727,820,601
  5. Step 5: Solve for x
    x = 210,727,820,601/306,034.50
  6. Step 6: Final answer
    x = 688,575.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.