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Finding the Third Proportional to 424,876 and 924,680

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Solution

The third proportional to 424,876 and 924,680 is: 2,012,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,876 : 924,680 = 924,680 : x
  2. Step 2: Convert to fraction form
    424,876/924,680 = 924,680/x
  3. Step 3: Cross multiply
    424,876x = 924,680 × 924,680
  4. Step 4: Simplify right side
    424,876x = 855,033,102,400
  5. Step 5: Solve for x
    x = 855,033,102,400/424,876
  6. Step 6: Final answer
    x = 2,012,429.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.