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Finding the Third Proportional to 5,487,492 and 11,817,814

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Solution

The third proportional to 5,487,492 and 11,817,814 is: 25,450,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,492 : 11,817,814 = 11,817,814 : x
  2. Step 2: Convert to fraction form
    5,487,492/11,817,814 = 11,817,814/x
  3. Step 3: Cross multiply
    5,487,492x = 11,817,814 × 11,817,814
  4. Step 4: Simplify right side
    5,487,492x = 139,660,727,738,596
  5. Step 5: Solve for x
    x = 139,660,727,738,596/5,487,492
  6. Step 6: Final answer
    x = 25,450,739.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.