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Finding the Third Proportional to 346,471.50 and 518,294.25

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Solution

The third proportional to 346,471.50 and 518,294.25 is: 775,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,471.50 : 518,294.25 = 518,294.25 : x
  2. Step 2: Convert to fraction form
    346,471.50/518,294.25 = 518,294.25/x
  3. Step 3: Cross multiply
    346,471.50x = 518,294.25 × 518,294.25
  4. Step 4: Simplify right side
    346,471.50x = 268,628,929,583.06
  5. Step 5: Solve for x
    x = 268,628,929,583.06/346,471.50
  6. Step 6: Final answer
    x = 775,327.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.