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Finding the Third Proportional to 352,248 and 545,640

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Solution

The third proportional to 352,248 and 545,640 is: 845,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,248 : 545,640 = 545,640 : x
  2. Step 2: Convert to fraction form
    352,248/545,640 = 545,640/x
  3. Step 3: Cross multiply
    352,248x = 545,640 × 545,640
  4. Step 4: Simplify right side
    352,248x = 297,723,009,600
  5. Step 5: Solve for x
    x = 297,723,009,600/352,248
  6. Step 6: Final answer
    x = 845,208.52

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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.