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Finding the Third Proportional to 236,430 and 353,786

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Solution

The third proportional to 236,430 and 353,786 is: 529,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,430 : 353,786 = 353,786 : x
  2. Step 2: Convert to fraction form
    236,430/353,786 = 353,786/x
  3. Step 3: Cross multiply
    236,430x = 353,786 × 353,786
  4. Step 4: Simplify right side
    236,430x = 125,164,533,796
  5. Step 5: Solve for x
    x = 125,164,533,796/236,430
  6. Step 6: Final answer
    x = 529,393.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.