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Finding the Third Proportional to 245,606 and 369,321

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Solution

The third proportional to 245,606 and 369,321 is: 555,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,606 : 369,321 = 369,321 : x
  2. Step 2: Convert to fraction form
    245,606/369,321 = 369,321/x
  3. Step 3: Cross multiply
    245,606x = 369,321 × 369,321
  4. Step 4: Simplify right side
    245,606x = 136,398,001,041
  5. Step 5: Solve for x
    x = 136,398,001,041/245,606
  6. Step 6: Final answer
    x = 555,352.89

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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.