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Finding the Third Proportional to 9,643 and 14,465

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Solution

The third proportional to 9,643 and 14,465 is: 21,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643 : 14,465 = 14,465 : x
  2. Step 2: Convert to fraction form
    9,643/14,465 = 14,465/x
  3. Step 3: Cross multiply
    9,643x = 14,465 × 14,465
  4. Step 4: Simplify right side
    9,643x = 209,236,225
  5. Step 5: Solve for x
    x = 209,236,225/9,643
  6. Step 6: Final answer
    x = 21,698.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.