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Finding the Third Proportional to 56,477.25 and 128,557.13

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Solution

The third proportional to 56,477.25 and 128,557.13 is: 292,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.25 : 128,557.13 = 128,557.13 : x
  2. Step 2: Convert to fraction form
    56,477.25/128,557.13 = 128,557.13/x
  3. Step 3: Cross multiply
    56,477.25x = 128,557.13 × 128,557.13
  4. Step 4: Simplify right side
    56,477.25x = 16,526,934,388.27
  5. Step 5: Solve for x
    x = 16,526,934,388.27/56,477.25
  6. Step 6: Final answer
    x = 292,629.94

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.