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Finding the Third Proportional to 147,090.38 and 317,508.75

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Solution

The third proportional to 147,090.38 and 317,508.75 is: 685,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,090.38 : 317,508.75 = 317,508.75 : x
  2. Step 2: Convert to fraction form
    147,090.38/317,508.75 = 317,508.75/x
  3. Step 3: Cross multiply
    147,090.38x = 317,508.75 × 317,508.75
  4. Step 4: Simplify right side
    147,090.38x = 100,811,806,326.56
  5. Step 5: Solve for x
    x = 100,811,806,326.56/147,090.38
  6. Step 6: Final answer
    x = 685,373.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.