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Finding the Third Proportional to 253,723 and 545,718.50

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Solution

The third proportional to 253,723 and 545,718.50 is: 1,173,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,723 : 545,718.50 = 545,718.50 : x
  2. Step 2: Convert to fraction form
    253,723/545,718.50 = 545,718.50/x
  3. Step 3: Cross multiply
    253,723x = 545,718.50 × 545,718.50
  4. Step 4: Simplify right side
    253,723x = 297,808,681,242.25
  5. Step 5: Solve for x
    x = 297,808,681,242.25/253,723
  6. Step 6: Final answer
    x = 1,173,755.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.