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Finding the Third Proportional to 393,485,240.25 and 841,451,485.50

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Solution

The third proportional to 393,485,240.25 and 841,451,485.50 is: 1,799,408,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,485,240.25 : 841,451,485.50 = 841,451,485.50 : x
  2. Step 2: Convert to fraction form
    393,485,240.25/841,451,485.50 = 841,451,485.50/x
  3. Step 3: Cross multiply
    393,485,240.25x = 841,451,485.50 × 841,451,485.50
  4. Step 4: Simplify right side
    393,485,240.25x = 708,040,602,450,156,672
  5. Step 5: Solve for x
    x = 708,040,602,450,156,672/393,485,240.25
  6. Step 6: Final answer
    x = 1,799,408,287.84

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.