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Finding the Third Proportional to 242,600 and 526,640

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Solution

The third proportional to 242,600 and 526,640 is: 1,143,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,600 : 526,640 = 526,640 : x
  2. Step 2: Convert to fraction form
    242,600/526,640 = 526,640/x
  3. Step 3: Cross multiply
    242,600x = 526,640 × 526,640
  4. Step 4: Simplify right side
    242,600x = 277,349,689,600
  5. Step 5: Solve for x
    x = 277,349,689,600/242,600
  6. Step 6: Final answer
    x = 1,143,238.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.