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Finding the Third Proportional to 302,426 and 659,284

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Solution

The third proportional to 302,426 and 659,284 is: 1,437,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,426 : 659,284 = 659,284 : x
  2. Step 2: Convert to fraction form
    302,426/659,284 = 659,284/x
  3. Step 3: Cross multiply
    302,426x = 659,284 × 659,284
  4. Step 4: Simplify right side
    302,426x = 434,655,392,656
  5. Step 5: Solve for x
    x = 434,655,392,656/302,426
  6. Step 6: Final answer
    x = 1,437,228.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.