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Finding the Third Proportional to 304,798 and 669,929

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Solution

The third proportional to 304,798 and 669,929 is: 1,472,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,798 : 669,929 = 669,929 : x
  2. Step 2: Convert to fraction form
    304,798/669,929 = 669,929/x
  3. Step 3: Cross multiply
    304,798x = 669,929 × 669,929
  4. Step 4: Simplify right side
    304,798x = 448,804,865,041
  5. Step 5: Solve for x
    x = 448,804,865,041/304,798
  6. Step 6: Final answer
    x = 1,472,466.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.