Home / 272,020-408,030

Finding the Third Proportional to 272,020 and 408,030

Calculator

Solution

The third proportional to 272,020 and 408,030 is: 612,045

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,020 : 408,030 = 408,030 : x
  2. Step 2: Convert to fraction form
    272,020/408,030 = 408,030/x
  3. Step 3: Cross multiply
    272,020x = 408,030 × 408,030
  4. Step 4: Simplify right side
    272,020x = 166,488,480,900
  5. Step 5: Solve for x
    x = 166,488,480,900/272,020
  6. Step 6: Final answer
    x = 612,045

Related Problems

Find third proportional to 136,010 and 204,015
Half scale
Find third proportional to 544,040 and 816,060
Double scale
Find third proportional to 272,022 and 408,033
Similar ratio
Find third proportional to 408,030 and 612,045
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.