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Finding the Third Proportional to 798,690 and 1,737,321

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Solution

The third proportional to 798,690 and 1,737,321 is: 3,779,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,690 : 1,737,321 = 1,737,321 : x
  2. Step 2: Convert to fraction form
    798,690/1,737,321 = 1,737,321/x
  3. Step 3: Cross multiply
    798,690x = 1,737,321 × 1,737,321
  4. Step 4: Simplify right side
    798,690x = 3,018,284,257,041
  5. Step 5: Solve for x
    x = 3,018,284,257,041/798,690
  6. Step 6: Final answer
    x = 3,779,043.51

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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.