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Finding the Third Proportional to 236,816 and 507,320

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Solution

The third proportional to 236,816 and 507,320 is: 1,086,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,816 : 507,320 = 507,320 : x
  2. Step 2: Convert to fraction form
    236,816/507,320 = 507,320/x
  3. Step 3: Cross multiply
    236,816x = 507,320 × 507,320
  4. Step 4: Simplify right side
    236,816x = 257,373,582,400
  5. Step 5: Solve for x
    x = 257,373,582,400/236,816
  6. Step 6: Final answer
    x = 1,086,808.25

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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.