Home / 272,038-408,058

Finding the Third Proportional to 272,038 and 408,058

Calculator

Solution

The third proportional to 272,038 and 408,058 is: 612,088.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,038 : 408,058 = 408,058 : x
  2. Step 2: Convert to fraction form
    272,038/408,058 = 408,058/x
  3. Step 3: Cross multiply
    272,038x = 408,058 × 408,058
  4. Step 4: Simplify right side
    272,038x = 166,511,331,364
  5. Step 5: Solve for x
    x = 166,511,331,364/272,038
  6. Step 6: Final answer
    x = 612,088.50

Related Problems

Find third proportional to 136,019 and 204,029
Half scale
Find third proportional to 544,076 and 816,116
Double scale
Find third proportional to 272,040 and 408,061
Similar ratio
Find third proportional to 408,057 and 612,087
1.5x scale

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.