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Finding the Third Proportional to 573,420 and 910,818

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Solution

The third proportional to 573,420 and 910,818 is: 1,446,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,420 : 910,818 = 910,818 : x
  2. Step 2: Convert to fraction form
    573,420/910,818 = 910,818/x
  3. Step 3: Cross multiply
    573,420x = 910,818 × 910,818
  4. Step 4: Simplify right side
    573,420x = 829,589,429,124
  5. Step 5: Solve for x
    x = 829,589,429,124/573,420
  6. Step 6: Final answer
    x = 1,446,739.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.