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Finding the Third Proportional to 142,034.63 and 310,794.19

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Solution

The third proportional to 142,034.63 and 310,794.19 is: 680,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,034.63 : 310,794.19 = 310,794.19 : x
  2. Step 2: Convert to fraction form
    142,034.63/310,794.19 = 310,794.19/x
  3. Step 3: Cross multiply
    142,034.63x = 310,794.19 × 310,794.19
  4. Step 4: Simplify right side
    142,034.63x = 96,593,026,983.79
  5. Step 5: Solve for x
    x = 96,593,026,983.79/142,034.63
  6. Step 6: Final answer
    x = 680,066.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.