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Finding the Third Proportional to 594 and 1,290

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Solution

The third proportional to 594 and 1,290 is: 2,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    594 : 1,290 = 1,290 : x
  2. Step 2: Convert to fraction form
    594/1,290 = 1,290/x
  3. Step 3: Cross multiply
    594x = 1,290 × 1,290
  4. Step 4: Simplify right side
    594x = 1,664,100
  5. Step 5: Solve for x
    x = 1,664,100/594
  6. Step 6: Final answer
    x = 2,801.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.