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Finding the Third Proportional to 114,636.75 and 128,852.25

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Solution

The third proportional to 114,636.75 and 128,852.25 is: 144,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,636.75 : 128,852.25 = 128,852.25 : x
  2. Step 2: Convert to fraction form
    114,636.75/128,852.25 = 128,852.25/x
  3. Step 3: Cross multiply
    114,636.75x = 128,852.25 × 128,852.25
  4. Step 4: Simplify right side
    114,636.75x = 16,602,902,330.06
  5. Step 5: Solve for x
    x = 16,602,902,330.06/114,636.75
  6. Step 6: Final answer
    x = 144,830.54

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.