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Finding the Third Proportional to 14,191.50 and 21,465

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Solution

The third proportional to 14,191.50 and 21,465 is: 32,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.50 : 21,465 = 21,465 : x
  2. Step 2: Convert to fraction form
    14,191.50/21,465 = 21,465/x
  3. Step 3: Cross multiply
    14,191.50x = 21,465 × 21,465
  4. Step 4: Simplify right side
    14,191.50x = 460,746,225
  5. Step 5: Solve for x
    x = 460,746,225/14,191.50
  6. Step 6: Final answer
    x = 32,466.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.