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Finding the Third Proportional to 329,425 and 719,264

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Solution

The third proportional to 329,425 and 719,264 is: 1,570,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,425 : 719,264 = 719,264 : x
  2. Step 2: Convert to fraction form
    329,425/719,264 = 719,264/x
  3. Step 3: Cross multiply
    329,425x = 719,264 × 719,264
  4. Step 4: Simplify right side
    329,425x = 517,340,701,696
  5. Step 5: Solve for x
    x = 517,340,701,696/329,425
  6. Step 6: Final answer
    x = 1,570,435.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.