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Finding the Third Proportional to 108,312 and 144,888

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Solution

The third proportional to 108,312 and 144,888 is: 193,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,312 : 144,888 = 144,888 : x
  2. Step 2: Convert to fraction form
    108,312/144,888 = 144,888/x
  3. Step 3: Cross multiply
    108,312x = 144,888 × 144,888
  4. Step 4: Simplify right side
    108,312x = 20,992,532,544
  5. Step 5: Solve for x
    x = 20,992,532,544/108,312
  6. Step 6: Final answer
    x = 193,815.39

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.