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Finding the Third Proportional to 348,522 and 521,397

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Solution

The third proportional to 348,522 and 521,397 is: 780,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,522 : 521,397 = 521,397 : x
  2. Step 2: Convert to fraction form
    348,522/521,397 = 521,397/x
  3. Step 3: Cross multiply
    348,522x = 521,397 × 521,397
  4. Step 4: Simplify right side
    348,522x = 271,854,831,609
  5. Step 5: Solve for x
    x = 271,854,831,609/348,522
  6. Step 6: Final answer
    x = 780,022.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.