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Finding the Third Proportional to 236,790 and 507,276

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Solution

The third proportional to 236,790 and 507,276 is: 1,086,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,790 : 507,276 = 507,276 : x
  2. Step 2: Convert to fraction form
    236,790/507,276 = 507,276/x
  3. Step 3: Cross multiply
    236,790x = 507,276 × 507,276
  4. Step 4: Simplify right side
    236,790x = 257,328,940,176
  5. Step 5: Solve for x
    x = 257,328,940,176/236,790
  6. Step 6: Final answer
    x = 1,086,739.05

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.