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Finding the Third Proportional to 127,237.50 and 191,139.75

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Solution

The third proportional to 127,237.50 and 191,139.75 is: 287,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,237.50 : 191,139.75 = 191,139.75 : x
  2. Step 2: Convert to fraction form
    127,237.50/191,139.75 = 191,139.75/x
  3. Step 3: Cross multiply
    127,237.50x = 191,139.75 × 191,139.75
  4. Step 4: Simplify right side
    127,237.50x = 36,534,404,030.06
  5. Step 5: Solve for x
    x = 36,534,404,030.06/127,237.50
  6. Step 6: Final answer
    x = 287,135.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.