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Finding the Third Proportional to 653,622 and 999,240

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Solution

The third proportional to 653,622 and 999,240 is: 1,527,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,622 : 999,240 = 999,240 : x
  2. Step 2: Convert to fraction form
    653,622/999,240 = 999,240/x
  3. Step 3: Cross multiply
    653,622x = 999,240 × 999,240
  4. Step 4: Simplify right side
    653,622x = 998,480,577,600
  5. Step 5: Solve for x
    x = 998,480,577,600/653,622
  6. Step 6: Final answer
    x = 1,527,611.64

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.