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Finding the Third Proportional to 5,320,209 and 8,254,786.50

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Solution

The third proportional to 5,320,209 and 8,254,786.50 is: 12,808,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,209 : 8,254,786.50 = 8,254,786.50 : x
  2. Step 2: Convert to fraction form
    5,320,209/8,254,786.50 = 8,254,786.50/x
  3. Step 3: Cross multiply
    5,320,209x = 8,254,786.50 × 8,254,786.50
  4. Step 4: Simplify right side
    5,320,209x = 68,141,500,160,582.25
  5. Step 5: Solve for x
    x = 68,141,500,160,582.25/5,320,209
  6. Step 6: Final answer
    x = 12,808,049.49

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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.