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Finding the Third Proportional to 286,796 and 623,344

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Solution

The third proportional to 286,796 and 623,344 is: 1,354,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,796 : 623,344 = 623,344 : x
  2. Step 2: Convert to fraction form
    286,796/623,344 = 623,344/x
  3. Step 3: Cross multiply
    286,796x = 623,344 × 623,344
  4. Step 4: Simplify right side
    286,796x = 388,557,742,336
  5. Step 5: Solve for x
    x = 388,557,742,336/286,796
  6. Step 6: Final answer
    x = 1,354,822.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.