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Finding the Third Proportional to 518,386.50 and 1,136,419

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Solution

The third proportional to 518,386.50 and 1,136,419 is: 2,491,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,386.50 : 1,136,419 = 1,136,419 : x
  2. Step 2: Convert to fraction form
    518,386.50/1,136,419 = 1,136,419/x
  3. Step 3: Cross multiply
    518,386.50x = 1,136,419 × 1,136,419
  4. Step 4: Simplify right side
    518,386.50x = 1,291,448,143,561
  5. Step 5: Solve for x
    x = 1,291,448,143,561/518,386.50
  6. Step 6: Final answer
    x = 2,491,284.29

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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.