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Finding the Third Proportional to 354,774 and 762,030

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Solution

The third proportional to 354,774 and 762,030 is: 1,636,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,774 : 762,030 = 762,030 : x
  2. Step 2: Convert to fraction form
    354,774/762,030 = 762,030/x
  3. Step 3: Cross multiply
    354,774x = 762,030 × 762,030
  4. Step 4: Simplify right side
    354,774x = 580,689,720,900
  5. Step 5: Solve for x
    x = 580,689,720,900/354,774
  6. Step 6: Final answer
    x = 1,636,787.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.