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Finding the Third Proportional to 254,738,880 and 555,592,716

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Solution

The third proportional to 254,738,880 and 555,592,716 is: 1,211,763,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,738,880 : 555,592,716 = 555,592,716 : x
  2. Step 2: Convert to fraction form
    254,738,880/555,592,716 = 555,592,716/x
  3. Step 3: Cross multiply
    254,738,880x = 555,592,716 × 555,592,716
  4. Step 4: Simplify right side
    254,738,880x = 308,683,266,072,256,640
  5. Step 5: Solve for x
    x = 308,683,266,072,256,640/254,738,880
  6. Step 6: Final answer
    x = 1,211,763,457.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.