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Finding the Third Proportional to 15,360.75 and 31,308.75

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Solution

The third proportional to 15,360.75 and 31,308.75 is: 63,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.75 : 31,308.75 = 31,308.75 : x
  2. Step 2: Convert to fraction form
    15,360.75/31,308.75 = 31,308.75/x
  3. Step 3: Cross multiply
    15,360.75x = 31,308.75 × 31,308.75
  4. Step 4: Simplify right side
    15,360.75x = 980,237,826.56
  5. Step 5: Solve for x
    x = 980,237,826.56/15,360.75
  6. Step 6: Final answer
    x = 63,814.45

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.