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Finding the Third Proportional to 245,162 and 346,926

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Solution

The third proportional to 245,162 and 346,926 is: 490,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,162 : 346,926 = 346,926 : x
  2. Step 2: Convert to fraction form
    245,162/346,926 = 346,926/x
  3. Step 3: Cross multiply
    245,162x = 346,926 × 346,926
  4. Step 4: Simplify right side
    245,162x = 120,357,649,476
  5. Step 5: Solve for x
    x = 120,357,649,476/245,162
  6. Step 6: Final answer
    x = 490,931.10

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.