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Finding the Third Proportional to 14,382 and 18,931.50

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Solution

The third proportional to 14,382 and 18,931.50 is: 24,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382 : 18,931.50 = 18,931.50 : x
  2. Step 2: Convert to fraction form
    14,382/18,931.50 = 18,931.50/x
  3. Step 3: Cross multiply
    14,382x = 18,931.50 × 18,931.50
  4. Step 4: Simplify right side
    14,382x = 358,401,692.25
  5. Step 5: Solve for x
    x = 358,401,692.25/14,382
  6. Step 6: Final answer
    x = 24,920.16

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.