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Finding the Third Proportional to 580,916 and 1,258,328

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Solution

The third proportional to 580,916 and 1,258,328 is: 2,725,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,916 : 1,258,328 = 1,258,328 : x
  2. Step 2: Convert to fraction form
    580,916/1,258,328 = 1,258,328/x
  3. Step 3: Cross multiply
    580,916x = 1,258,328 × 1,258,328
  4. Step 4: Simplify right side
    580,916x = 1,583,389,355,584
  5. Step 5: Solve for x
    x = 1,583,389,355,584/580,916
  6. Step 6: Final answer
    x = 2,725,676.96

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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.