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Finding the Third Proportional to 553,056 and 879,397

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Solution

The third proportional to 553,056 and 879,397 is: 1,398,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,056 : 879,397 = 879,397 : x
  2. Step 2: Convert to fraction form
    553,056/879,397 = 879,397/x
  3. Step 3: Cross multiply
    553,056x = 879,397 × 879,397
  4. Step 4: Simplify right side
    553,056x = 773,339,083,609
  5. Step 5: Solve for x
    x = 773,339,083,609/553,056
  6. Step 6: Final answer
    x = 1,398,301.59

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.