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Finding the Third Proportional to 54,303 and 84,082

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Solution

The third proportional to 54,303 and 84,082 is: 130,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303 : 84,082 = 84,082 : x
  2. Step 2: Convert to fraction form
    54,303/84,082 = 84,082/x
  3. Step 3: Cross multiply
    54,303x = 84,082 × 84,082
  4. Step 4: Simplify right side
    54,303x = 7,069,782,724
  5. Step 5: Solve for x
    x = 7,069,782,724/54,303
  6. Step 6: Final answer
    x = 130,191.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.