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Finding the Third Proportional to 5,485,869 and 8,069,731.88

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Solution

The third proportional to 5,485,869 and 8,069,731.88 is: 11,870,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,869 : 8,069,731.88 = 8,069,731.88 : x
  2. Step 2: Convert to fraction form
    5,485,869/8,069,731.88 = 8,069,731.88/x
  3. Step 3: Cross multiply
    5,485,869x = 8,069,731.88 × 8,069,731.88
  4. Step 4: Simplify right side
    5,485,869x = 65,120,572,534,391.02
  5. Step 5: Solve for x
    x = 65,120,572,534,391.02/5,485,869
  6. Step 6: Final answer
    x = 11,870,602.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.