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Finding the Third Proportional to 326,944 and 439,362

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Solution

The third proportional to 326,944 and 439,362 is: 590,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,944 : 439,362 = 439,362 : x
  2. Step 2: Convert to fraction form
    326,944/439,362 = 439,362/x
  3. Step 3: Cross multiply
    326,944x = 439,362 × 439,362
  4. Step 4: Simplify right side
    326,944x = 193,038,967,044
  5. Step 5: Solve for x
    x = 193,038,967,044/326,944
  6. Step 6: Final answer
    x = 590,434.35

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.