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Finding the Third Proportional to 545,260 and 827,700

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Solution

The third proportional to 545,260 and 827,700 is: 1,256,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,260 : 827,700 = 827,700 : x
  2. Step 2: Convert to fraction form
    545,260/827,700 = 827,700/x
  3. Step 3: Cross multiply
    545,260x = 827,700 × 827,700
  4. Step 4: Simplify right side
    545,260x = 685,087,290,000
  5. Step 5: Solve for x
    x = 685,087,290,000/545,260
  6. Step 6: Final answer
    x = 1,256,441.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.