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Finding the Third Proportional to 644,808 and 997,466

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Solution

The third proportional to 644,808 and 997,466 is: 1,542,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,808 : 997,466 = 997,466 : x
  2. Step 2: Convert to fraction form
    644,808/997,466 = 997,466/x
  3. Step 3: Cross multiply
    644,808x = 997,466 × 997,466
  4. Step 4: Simplify right side
    644,808x = 994,938,421,156
  5. Step 5: Solve for x
    x = 994,938,421,156/644,808
  6. Step 6: Final answer
    x = 1,542,999.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.