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Finding the Third Proportional to 831,531 and 1,254,820.50

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Solution

The third proportional to 831,531 and 1,254,820.50 is: 1,893,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,531 : 1,254,820.50 = 1,254,820.50 : x
  2. Step 2: Convert to fraction form
    831,531/1,254,820.50 = 1,254,820.50/x
  3. Step 3: Cross multiply
    831,531x = 1,254,820.50 × 1,254,820.50
  4. Step 4: Simplify right side
    831,531x = 1,574,574,487,220.25
  5. Step 5: Solve for x
    x = 1,574,574,487,220.25/831,531
  6. Step 6: Final answer
    x = 1,893,584.83

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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.