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Finding the Third Proportional to 326,480 and 504,480

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Solution

The third proportional to 326,480 and 504,480 is: 779,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,480 : 504,480 = 504,480 : x
  2. Step 2: Convert to fraction form
    326,480/504,480 = 504,480/x
  3. Step 3: Cross multiply
    326,480x = 504,480 × 504,480
  4. Step 4: Simplify right side
    326,480x = 254,500,070,400
  5. Step 5: Solve for x
    x = 254,500,070,400/326,480
  6. Step 6: Final answer
    x = 779,527.29

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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.