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Finding the Third Proportional to 132,450.19 and 258,430.50

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Solution

The third proportional to 132,450.19 and 258,430.50 is: 504,237.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,450.19 : 258,430.50 = 258,430.50 : x
  2. Step 2: Convert to fraction form
    132,450.19/258,430.50 = 258,430.50/x
  3. Step 3: Cross multiply
    132,450.19x = 258,430.50 × 258,430.50
  4. Step 4: Simplify right side
    132,450.19x = 66,786,323,330.25
  5. Step 5: Solve for x
    x = 66,786,323,330.25/132,450.19
  6. Step 6: Final answer
    x = 504,237.29

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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.