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Finding the Third Proportional to 573,408 and 860,328

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Solution

The third proportional to 573,408 and 860,328 is: 1,290,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,408 : 860,328 = 860,328 : x
  2. Step 2: Convert to fraction form
    573,408/860,328 = 860,328/x
  3. Step 3: Cross multiply
    573,408x = 860,328 × 860,328
  4. Step 4: Simplify right side
    573,408x = 740,164,267,584
  5. Step 5: Solve for x
    x = 740,164,267,584/573,408
  6. Step 6: Final answer
    x = 1,290,816.08

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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.