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Finding the Third Proportional to 550,632 and 851,052

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Solution

The third proportional to 550,632 and 851,052 is: 1,315,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,632 : 851,052 = 851,052 : x
  2. Step 2: Convert to fraction form
    550,632/851,052 = 851,052/x
  3. Step 3: Cross multiply
    550,632x = 851,052 × 851,052
  4. Step 4: Simplify right side
    550,632x = 724,289,506,704
  5. Step 5: Solve for x
    x = 724,289,506,704/550,632
  6. Step 6: Final answer
    x = 1,315,378.52

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.