Home / 636,380-1,372,344

Finding the Third Proportional to 636,380 and 1,372,344

Calculator

Solution

The third proportional to 636,380 and 1,372,344 is: 2,959,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,380 : 1,372,344 = 1,372,344 : x
  2. Step 2: Convert to fraction form
    636,380/1,372,344 = 1,372,344/x
  3. Step 3: Cross multiply
    636,380x = 1,372,344 × 1,372,344
  4. Step 4: Simplify right side
    636,380x = 1,883,328,054,336
  5. Step 5: Solve for x
    x = 1,883,328,054,336/636,380
  6. Step 6: Final answer
    x = 2,959,439.41

Related Problems

Find third proportional to 318,190 and 686,172
Half scale
Find third proportional to 1,272,760 and 2,744,688
Double scale
Find third proportional to 636,382 and 1,372,348
Similar ratio
Find third proportional to 954,570 and 2,058,516
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.