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Finding the Third Proportional to 19,260 and 40,047

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Solution

The third proportional to 19,260 and 40,047 is: 83,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260 : 40,047 = 40,047 : x
  2. Step 2: Convert to fraction form
    19,260/40,047 = 40,047/x
  3. Step 3: Cross multiply
    19,260x = 40,047 × 40,047
  4. Step 4: Simplify right side
    19,260x = 1,603,762,209
  5. Step 5: Solve for x
    x = 1,603,762,209/19,260
  6. Step 6: Final answer
    x = 83,269.07

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.