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Finding the Third Proportional to 19,506 and 38,028

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Solution

The third proportional to 19,506 and 38,028 is: 74,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506 : 38,028 = 38,028 : x
  2. Step 2: Convert to fraction form
    19,506/38,028 = 38,028/x
  3. Step 3: Cross multiply
    19,506x = 38,028 × 38,028
  4. Step 4: Simplify right side
    19,506x = 1,446,128,784
  5. Step 5: Solve for x
    x = 1,446,128,784/19,506
  6. Step 6: Final answer
    x = 74,137.64

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.