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Finding the Third Proportional to 572,217 and 1,256,466

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Solution

The third proportional to 572,217 and 1,256,466 is: 2,758,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,217 : 1,256,466 = 1,256,466 : x
  2. Step 2: Convert to fraction form
    572,217/1,256,466 = 1,256,466/x
  3. Step 3: Cross multiply
    572,217x = 1,256,466 × 1,256,466
  4. Step 4: Simplify right side
    572,217x = 1,578,706,809,156
  5. Step 5: Solve for x
    x = 1,578,706,809,156/572,217
  6. Step 6: Final answer
    x = 2,758,930.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.