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Finding the Third Proportional to 55,000 and 118,688

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Solution

The third proportional to 55,000 and 118,688 is: 256,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000 : 118,688 = 118,688 : x
  2. Step 2: Convert to fraction form
    55,000/118,688 = 118,688/x
  3. Step 3: Cross multiply
    55,000x = 118,688 × 118,688
  4. Step 4: Simplify right side
    55,000x = 14,086,841,344
  5. Step 5: Solve for x
    x = 14,086,841,344/55,000
  6. Step 6: Final answer
    x = 256,124.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.