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Finding the Third Proportional to 94,056 and 128,988

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Solution

The third proportional to 94,056 and 128,988 is: 176,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,056 : 128,988 = 128,988 : x
  2. Step 2: Convert to fraction form
    94,056/128,988 = 128,988/x
  3. Step 3: Cross multiply
    94,056x = 128,988 × 128,988
  4. Step 4: Simplify right side
    94,056x = 16,637,904,144
  5. Step 5: Solve for x
    x = 16,637,904,144/94,056
  6. Step 6: Final answer
    x = 176,893.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.