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Finding the Third Proportional to 6,391,026.75 and 8,989,405.88

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Solution

The third proportional to 6,391,026.75 and 8,989,405.88 is: 12,644,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,026.75 : 8,989,405.88 = 8,989,405.88 : x
  2. Step 2: Convert to fraction form
    6,391,026.75/8,989,405.88 = 8,989,405.88/x
  3. Step 3: Cross multiply
    6,391,026.75x = 8,989,405.88 × 8,989,405.88
  4. Step 4: Simplify right side
    6,391,026.75x = 80,809,417,985,484.52
  5. Step 5: Solve for x
    x = 80,809,417,985,484.52/6,391,026.75
  6. Step 6: Final answer
    x = 12,644,199.62

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.