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Finding the Third Proportional to 682,466 and 1,070,490

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Solution

The third proportional to 682,466 and 1,070,490 is: 1,679,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,466 : 1,070,490 = 1,070,490 : x
  2. Step 2: Convert to fraction form
    682,466/1,070,490 = 1,070,490/x
  3. Step 3: Cross multiply
    682,466x = 1,070,490 × 1,070,490
  4. Step 4: Simplify right side
    682,466x = 1,145,948,840,100
  5. Step 5: Solve for x
    x = 1,145,948,840,100/682,466
  6. Step 6: Final answer
    x = 1,679,129.57

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.