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Finding the Third Proportional to 346,519.75 and 518,369.25

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Solution

The third proportional to 346,519.75 and 518,369.25 is: 775,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,519.75 : 518,369.25 = 518,369.25 : x
  2. Step 2: Convert to fraction form
    346,519.75/518,369.25 = 518,369.25/x
  3. Step 3: Cross multiply
    346,519.75x = 518,369.25 × 518,369.25
  4. Step 4: Simplify right side
    346,519.75x = 268,706,679,345.56
  5. Step 5: Solve for x
    x = 268,706,679,345.56/346,519.75
  6. Step 6: Final answer
    x = 775,444.05

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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.