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Finding the Third Proportional to 350,244 and 554,688

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Solution

The third proportional to 350,244 and 554,688 is: 878,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,244 : 554,688 = 554,688 : x
  2. Step 2: Convert to fraction form
    350,244/554,688 = 554,688/x
  3. Step 3: Cross multiply
    350,244x = 554,688 × 554,688
  4. Step 4: Simplify right side
    350,244x = 307,678,777,344
  5. Step 5: Solve for x
    x = 307,678,777,344/350,244
  6. Step 6: Final answer
    x = 878,469.80

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.