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Finding the Third Proportional to 609,280 and 1,322,240

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Solution

The third proportional to 609,280 and 1,322,240 is: 2,869,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,280 : 1,322,240 = 1,322,240 : x
  2. Step 2: Convert to fraction form
    609,280/1,322,240 = 1,322,240/x
  3. Step 3: Cross multiply
    609,280x = 1,322,240 × 1,322,240
  4. Step 4: Simplify right side
    609,280x = 1,748,318,617,600
  5. Step 5: Solve for x
    x = 1,748,318,617,600/609,280
  6. Step 6: Final answer
    x = 2,869,483.03

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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.