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Finding the Third Proportional to 233,550 and 361,221

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Solution

The third proportional to 233,550 and 361,221 is: 558,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,550 : 361,221 = 361,221 : x
  2. Step 2: Convert to fraction form
    233,550/361,221 = 361,221/x
  3. Step 3: Cross multiply
    233,550x = 361,221 × 361,221
  4. Step 4: Simplify right side
    233,550x = 130,480,610,841
  5. Step 5: Solve for x
    x = 130,480,610,841/233,550
  6. Step 6: Final answer
    x = 558,683.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.