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Finding the Third Proportional to 84,351 and 130,558.50

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Solution

The third proportional to 84,351 and 130,558.50 is: 202,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,351 : 130,558.50 = 130,558.50 : x
  2. Step 2: Convert to fraction form
    84,351/130,558.50 = 130,558.50/x
  3. Step 3: Cross multiply
    84,351x = 130,558.50 × 130,558.50
  4. Step 4: Simplify right side
    84,351x = 17,045,521,922.25
  5. Step 5: Solve for x
    x = 17,045,521,922.25/84,351
  6. Step 6: Final answer
    x = 202,078.48

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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.