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Finding the Third Proportional to 858,312 and 1,847,520

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Solution

The third proportional to 858,312 and 1,847,520 is: 3,976,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,312 : 1,847,520 = 1,847,520 : x
  2. Step 2: Convert to fraction form
    858,312/1,847,520 = 1,847,520/x
  3. Step 3: Cross multiply
    858,312x = 1,847,520 × 1,847,520
  4. Step 4: Simplify right side
    858,312x = 3,413,330,150,400
  5. Step 5: Solve for x
    x = 3,413,330,150,400/858,312
  6. Step 6: Final answer
    x = 3,976,794.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.