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Finding the Third Proportional to 173,385 and 374,688

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Solution

The third proportional to 173,385 and 374,688 is: 809,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,385 : 374,688 = 374,688 : x
  2. Step 2: Convert to fraction form
    173,385/374,688 = 374,688/x
  3. Step 3: Cross multiply
    173,385x = 374,688 × 374,688
  4. Step 4: Simplify right side
    173,385x = 140,391,097,344
  5. Step 5: Solve for x
    x = 140,391,097,344/173,385
  6. Step 6: Final answer
    x = 809,707.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.