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Finding the Third Proportional to 575,190 and 889,703

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Solution

The third proportional to 575,190 and 889,703 is: 1,376,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,190 : 889,703 = 889,703 : x
  2. Step 2: Convert to fraction form
    575,190/889,703 = 889,703/x
  3. Step 3: Cross multiply
    575,190x = 889,703 × 889,703
  4. Step 4: Simplify right side
    575,190x = 791,571,428,209
  5. Step 5: Solve for x
    x = 791,571,428,209/575,190
  6. Step 6: Final answer
    x = 1,376,191.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.