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Finding the Third Proportional to 63,377.44 and 128,509.03

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Solution

The third proportional to 63,377.44 and 128,509.03 is: 260,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,377.44 : 128,509.03 = 128,509.03 : x
  2. Step 2: Convert to fraction form
    63,377.44/128,509.03 = 128,509.03/x
  3. Step 3: Cross multiply
    63,377.44x = 128,509.03 × 128,509.03
  4. Step 4: Simplify right side
    63,377.44x = 16,514,571,112.81
  5. Step 5: Solve for x
    x = 16,514,571,112.81/63,377.44
  6. Step 6: Final answer
    x = 260,574.93

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.