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Finding the Third Proportional to 280,219.50 and 607,563

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Solution

The third proportional to 280,219.50 and 607,563 is: 1,317,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,219.50 : 607,563 = 607,563 : x
  2. Step 2: Convert to fraction form
    280,219.50/607,563 = 607,563/x
  3. Step 3: Cross multiply
    280,219.50x = 607,563 × 607,563
  4. Step 4: Simplify right side
    280,219.50x = 369,132,798,969
  5. Step 5: Solve for x
    x = 369,132,798,969/280,219.50
  6. Step 6: Final answer
    x = 1,317,298.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.