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Finding the Third Proportional to 343,820 and 525,608

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Solution

The third proportional to 343,820 and 525,608 is: 803,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,820 : 525,608 = 525,608 : x
  2. Step 2: Convert to fraction form
    343,820/525,608 = 525,608/x
  3. Step 3: Cross multiply
    343,820x = 525,608 × 525,608
  4. Step 4: Simplify right side
    343,820x = 276,263,769,664
  5. Step 5: Solve for x
    x = 276,263,769,664/343,820
  6. Step 6: Final answer
    x = 803,512.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.