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Finding the Third Proportional to 19,516 and 30,207

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Solution

The third proportional to 19,516 and 30,207 is: 46,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516 : 30,207 = 30,207 : x
  2. Step 2: Convert to fraction form
    19,516/30,207 = 30,207/x
  3. Step 3: Cross multiply
    19,516x = 30,207 × 30,207
  4. Step 4: Simplify right side
    19,516x = 912,462,849
  5. Step 5: Solve for x
    x = 912,462,849/19,516
  6. Step 6: Final answer
    x = 46,754.60

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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.