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Finding the Third Proportional to 109,425 and 235,590

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Solution

The third proportional to 109,425 and 235,590 is: 507,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,425 : 235,590 = 235,590 : x
  2. Step 2: Convert to fraction form
    109,425/235,590 = 235,590/x
  3. Step 3: Cross multiply
    109,425x = 235,590 × 235,590
  4. Step 4: Simplify right side
    109,425x = 55,502,648,100
  5. Step 5: Solve for x
    x = 55,502,648,100/109,425
  6. Step 6: Final answer
    x = 507,220.91

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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.