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Finding the Third Proportional to 346.22 and 740.48

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Solution

The third proportional to 346.22 and 740.48 is: 1,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.22 : 740.48 = 740.48 : x
  2. Step 2: Convert to fraction form
    346.22/740.48 = 740.48/x
  3. Step 3: Cross multiply
    346.22x = 740.48 × 740.48
  4. Step 4: Simplify right side
    346.22x = 548,317.11
  5. Step 5: Solve for x
    x = 548,317.11/346.22
  6. Step 6: Final answer
    x = 1,583.73

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.