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Finding the Third Proportional to 6,391,047 and 8,989,432.50

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Solution

The third proportional to 6,391,047 and 8,989,432.50 is: 12,644,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,047 : 8,989,432.50 = 8,989,432.50 : x
  2. Step 2: Convert to fraction form
    6,391,047/8,989,432.50 = 8,989,432.50/x
  3. Step 3: Cross multiply
    6,391,047x = 8,989,432.50 × 8,989,432.50
  4. Step 4: Simplify right side
    6,391,047x = 80,809,896,672,056.25
  5. Step 5: Solve for x
    x = 80,809,896,672,056.25/6,391,047
  6. Step 6: Final answer
    x = 12,644,234.45

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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.