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Finding the Third Proportional to 19,316 and 25,758

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Solution

The third proportional to 19,316 and 25,758 is: 34,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316 : 25,758 = 25,758 : x
  2. Step 2: Convert to fraction form
    19,316/25,758 = 25,758/x
  3. Step 3: Cross multiply
    19,316x = 25,758 × 25,758
  4. Step 4: Simplify right side
    19,316x = 663,474,564
  5. Step 5: Solve for x
    x = 663,474,564/19,316
  6. Step 6: Final answer
    x = 34,348.45

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.