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Finding the Third Proportional to 376,948 and 812,942

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Solution

The third proportional to 376,948 and 812,942 is: 1,753,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,948 : 812,942 = 812,942 : x
  2. Step 2: Convert to fraction form
    376,948/812,942 = 812,942/x
  3. Step 3: Cross multiply
    376,948x = 812,942 × 812,942
  4. Step 4: Simplify right side
    376,948x = 660,874,695,364
  5. Step 5: Solve for x
    x = 660,874,695,364/376,948
  6. Step 6: Final answer
    x = 1,753,225.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.