Home / 205,560-438,264

Finding the Third Proportional to 205,560 and 438,264

Calculator

Solution

The third proportional to 205,560 and 438,264 is: 934,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,560 : 438,264 = 438,264 : x
  2. Step 2: Convert to fraction form
    205,560/438,264 = 438,264/x
  3. Step 3: Cross multiply
    205,560x = 438,264 × 438,264
  4. Step 4: Simplify right side
    205,560x = 192,075,333,696
  5. Step 5: Solve for x
    x = 192,075,333,696/205,560
  6. Step 6: Final answer
    x = 934,400.34

Related Problems

Find third proportional to 102,780 and 219,132
Half scale
Find third proportional to 411,120 and 876,528
Double scale
Find third proportional to 205,562 and 438,268
Similar ratio
Find third proportional to 308,340 and 657,396
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.