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Finding the Third Proportional to 573,315 and 860,113.50

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Solution

The third proportional to 573,315 and 860,113.50 is: 1,290,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,315 : 860,113.50 = 860,113.50 : x
  2. Step 2: Convert to fraction form
    573,315/860,113.50 = 860,113.50/x
  3. Step 3: Cross multiply
    573,315x = 860,113.50 × 860,113.50
  4. Step 4: Simplify right side
    573,315x = 739,795,232,882.25
  5. Step 5: Solve for x
    x = 739,795,232,882.25/573,315
  6. Step 6: Final answer
    x = 1,290,381.78

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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.