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Finding the Third Proportional to 667,774,401.75 and 890,264,803.50

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Solution

The third proportional to 667,774,401.75 and 890,264,803.50 is: 1,186,884,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,774,401.75 : 890,264,803.50 = 890,264,803.50 : x
  2. Step 2: Convert to fraction form
    667,774,401.75/890,264,803.50 = 890,264,803.50/x
  3. Step 3: Cross multiply
    667,774,401.75x = 890,264,803.50 × 890,264,803.50
  4. Step 4: Simplify right side
    667,774,401.75x = 792,571,420,350,893,568
  5. Step 5: Solve for x
    x = 792,571,420,350,893,568/667,774,401.75
  6. Step 6: Final answer
    x = 1,186,884,999.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.