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Finding the Third Proportional to 235,770 and 360,540

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Solution

The third proportional to 235,770 and 360,540 is: 551,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,770 : 360,540 = 360,540 : x
  2. Step 2: Convert to fraction form
    235,770/360,540 = 360,540/x
  3. Step 3: Cross multiply
    235,770x = 360,540 × 360,540
  4. Step 4: Simplify right side
    235,770x = 129,989,091,600
  5. Step 5: Solve for x
    x = 129,989,091,600/235,770
  6. Step 6: Final answer
    x = 551,338.56

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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.