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Finding the Third Proportional to 275,684,036 and 426,819,558

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Solution

The third proportional to 275,684,036 and 426,819,558 is: 660,810,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,684,036 : 426,819,558 = 426,819,558 : x
  2. Step 2: Convert to fraction form
    275,684,036/426,819,558 = 426,819,558/x
  3. Step 3: Cross multiply
    275,684,036x = 426,819,558 × 426,819,558
  4. Step 4: Simplify right side
    275,684,036x = 182,174,935,091,315,360
  5. Step 5: Solve for x
    x = 182,174,935,091,315,360/275,684,036
  6. Step 6: Final answer
    x = 660,810,606.72

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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.