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Finding the Third Proportional to 128,552 and 276,835

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Solution

The third proportional to 128,552 and 276,835 is: 596,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,552 : 276,835 = 276,835 : x
  2. Step 2: Convert to fraction form
    128,552/276,835 = 276,835/x
  3. Step 3: Cross multiply
    128,552x = 276,835 × 276,835
  4. Step 4: Simplify right side
    128,552x = 76,637,617,225
  5. Step 5: Solve for x
    x = 76,637,617,225/128,552
  6. Step 6: Final answer
    x = 596,160.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.