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Finding the Third Proportional to 698,961 and 1,528,779

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Solution

The third proportional to 698,961 and 1,528,779 is: 3,343,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,961 : 1,528,779 = 1,528,779 : x
  2. Step 2: Convert to fraction form
    698,961/1,528,779 = 1,528,779/x
  3. Step 3: Cross multiply
    698,961x = 1,528,779 × 1,528,779
  4. Step 4: Simplify right side
    698,961x = 2,337,165,230,841
  5. Step 5: Solve for x
    x = 2,337,165,230,841/698,961
  6. Step 6: Final answer
    x = 3,343,770.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.