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Finding the Third Proportional to 13,347 and 19,669.50

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Solution

The third proportional to 13,347 and 19,669.50 is: 28,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347 : 19,669.50 = 19,669.50 : x
  2. Step 2: Convert to fraction form
    13,347/19,669.50 = 19,669.50/x
  3. Step 3: Cross multiply
    13,347x = 19,669.50 × 19,669.50
  4. Step 4: Simplify right side
    13,347x = 386,889,230.25
  5. Step 5: Solve for x
    x = 386,889,230.25/13,347
  6. Step 6: Final answer
    x = 28,986.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.