Home / 208,152-438,054

Finding the Third Proportional to 208,152 and 438,054

Calculator

Solution

The third proportional to 208,152 and 438,054 is: 921,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,152 : 438,054 = 438,054 : x
  2. Step 2: Convert to fraction form
    208,152/438,054 = 438,054/x
  3. Step 3: Cross multiply
    208,152x = 438,054 × 438,054
  4. Step 4: Simplify right side
    208,152x = 191,891,306,916
  5. Step 5: Solve for x
    x = 191,891,306,916/208,152
  6. Step 6: Final answer
    x = 921,880.68

Related Problems

Find third proportional to 104,076 and 219,027
Half scale
Find third proportional to 416,304 and 876,108
Double scale
Find third proportional to 208,154 and 438,058
Similar ratio
Find third proportional to 312,228 and 657,081
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.