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Finding the Third Proportional to 655,252 and 988,892

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Solution

The third proportional to 655,252 and 988,892 is: 1,492,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,252 : 988,892 = 988,892 : x
  2. Step 2: Convert to fraction form
    655,252/988,892 = 988,892/x
  3. Step 3: Cross multiply
    655,252x = 988,892 × 988,892
  4. Step 4: Simplify right side
    655,252x = 977,907,387,664
  5. Step 5: Solve for x
    x = 977,907,387,664/655,252
  6. Step 6: Final answer
    x = 1,492,414.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.