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Finding the Third Proportional to 336,516 and 719,724

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Solution

The third proportional to 336,516 and 719,724 is: 1,539,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,516 : 719,724 = 719,724 : x
  2. Step 2: Convert to fraction form
    336,516/719,724 = 719,724/x
  3. Step 3: Cross multiply
    336,516x = 719,724 × 719,724
  4. Step 4: Simplify right side
    336,516x = 518,002,636,176
  5. Step 5: Solve for x
    x = 518,002,636,176/336,516
  6. Step 6: Final answer
    x = 1,539,310.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.