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Finding the Third Proportional to 558,020,586 and 918,839,259

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Solution

The third proportional to 558,020,586 and 918,839,259 is: 1,512,964,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,020,586 : 918,839,259 = 918,839,259 : x
  2. Step 2: Convert to fraction form
    558,020,586/918,839,259 = 918,839,259/x
  3. Step 3: Cross multiply
    558,020,586x = 918,839,259 × 918,839,259
  4. Step 4: Simplify right side
    558,020,586x = 844,265,583,879,669,120
  5. Step 5: Solve for x
    x = 844,265,583,879,669,120/558,020,586
  6. Step 6: Final answer
    x = 1,512,964,942.62

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.