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Finding the Third Proportional to 245,361.66 and 529,390.69

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Solution

The third proportional to 245,361.66 and 529,390.69 is: 1,142,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,361.66 : 529,390.69 = 529,390.69 : x
  2. Step 2: Convert to fraction form
    245,361.66/529,390.69 = 529,390.69/x
  3. Step 3: Cross multiply
    245,361.66x = 529,390.69 × 529,390.69
  4. Step 4: Simplify right side
    245,361.66x = 280,254,500,011.72
  5. Step 5: Solve for x
    x = 280,254,500,011.72/245,361.66
  6. Step 6: Final answer
    x = 1,142,209.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.