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Finding the Third Proportional to 245,354 and 369,260

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Solution

The third proportional to 245,354 and 369,260 is: 555,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,354 : 369,260 = 369,260 : x
  2. Step 2: Convert to fraction form
    245,354/369,260 = 369,260/x
  3. Step 3: Cross multiply
    245,354x = 369,260 × 369,260
  4. Step 4: Simplify right side
    245,354x = 136,352,947,600
  5. Step 5: Solve for x
    x = 136,352,947,600/245,354
  6. Step 6: Final answer
    x = 555,739.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.