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Finding the Third Proportional to 621,572 and 934,671

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Solution

The third proportional to 621,572 and 934,671 is: 1,405,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,572 : 934,671 = 934,671 : x
  2. Step 2: Convert to fraction form
    621,572/934,671 = 934,671/x
  3. Step 3: Cross multiply
    621,572x = 934,671 × 934,671
  4. Step 4: Simplify right side
    621,572x = 873,609,878,241
  5. Step 5: Solve for x
    x = 873,609,878,241/621,572
  6. Step 6: Final answer
    x = 1,405,484.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.