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Finding the Third Proportional to 668,284 and 1,440,892

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Solution

The third proportional to 668,284 and 1,440,892 is: 3,106,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,284 : 1,440,892 = 1,440,892 : x
  2. Step 2: Convert to fraction form
    668,284/1,440,892 = 1,440,892/x
  3. Step 3: Cross multiply
    668,284x = 1,440,892 × 1,440,892
  4. Step 4: Simplify right side
    668,284x = 2,076,169,755,664
  5. Step 5: Solve for x
    x = 2,076,169,755,664/668,284
  6. Step 6: Final answer
    x = 3,106,717.74

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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.