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Finding the Third Proportional to 521,681.50 and 1,099,395

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Solution

The third proportional to 521,681.50 and 1,099,395 is: 2,316,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,681.50 : 1,099,395 = 1,099,395 : x
  2. Step 2: Convert to fraction form
    521,681.50/1,099,395 = 1,099,395/x
  3. Step 3: Cross multiply
    521,681.50x = 1,099,395 × 1,099,395
  4. Step 4: Simplify right side
    521,681.50x = 1,208,669,366,025
  5. Step 5: Solve for x
    x = 1,208,669,366,025/521,681.50
  6. Step 6: Final answer
    x = 2,316,872.20

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.