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Finding the Third Proportional to 210,570 and 460,505

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Solution

The third proportional to 210,570 and 460,505 is: 1,007,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,570 : 460,505 = 460,505 : x
  2. Step 2: Convert to fraction form
    210,570/460,505 = 460,505/x
  3. Step 3: Cross multiply
    210,570x = 460,505 × 460,505
  4. Step 4: Simplify right side
    210,570x = 212,064,855,025
  5. Step 5: Solve for x
    x = 212,064,855,025/210,570
  6. Step 6: Final answer
    x = 1,007,099.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.