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Finding the Third Proportional to 5,485,101,860 and 8,355,985,959

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Solution

The third proportional to 5,485,101,860 and 8,355,985,959 is: 12,729,481,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,101,860 : 8,355,985,959 = 8,355,985,959 : x
  2. Step 2: Convert to fraction form
    5,485,101,860/8,355,985,959 = 8,355,985,959/x
  3. Step 3: Cross multiply
    5,485,101,860x = 8,355,985,959 × 8,355,985,959
  4. Step 4: Simplify right side
    5,485,101,860x = 69,822,501,347,005,153,280
  5. Step 5: Solve for x
    x = 69,822,501,347,005,153,280/5,485,101,860
  6. Step 6: Final answer
    x = 12,729,481,262.00

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.