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Finding the Third Proportional to 717,489 and 1,574,922

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Solution

The third proportional to 717,489 and 1,574,922 is: 3,457,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,489 : 1,574,922 = 1,574,922 : x
  2. Step 2: Convert to fraction form
    717,489/1,574,922 = 1,574,922/x
  3. Step 3: Cross multiply
    717,489x = 1,574,922 × 1,574,922
  4. Step 4: Simplify right side
    717,489x = 2,480,379,306,084
  5. Step 5: Solve for x
    x = 2,480,379,306,084/717,489
  6. Step 6: Final answer
    x = 3,457,027.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.