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Finding the Third Proportional to 125,312 and 194,330

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Solution

The third proportional to 125,312 and 194,330 is: 301,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,312 : 194,330 = 194,330 : x
  2. Step 2: Convert to fraction form
    125,312/194,330 = 194,330/x
  3. Step 3: Cross multiply
    125,312x = 194,330 × 194,330
  4. Step 4: Simplify right side
    125,312x = 37,764,148,900
  5. Step 5: Solve for x
    x = 37,764,148,900/125,312
  6. Step 6: Final answer
    x = 301,360.99

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.