Home / 344,958-538,418

Finding the Third Proportional to 344,958 and 538,418

Calculator

Solution

The third proportional to 344,958 and 538,418 is: 840,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,958 : 538,418 = 538,418 : x
  2. Step 2: Convert to fraction form
    344,958/538,418 = 538,418/x
  3. Step 3: Cross multiply
    344,958x = 538,418 × 538,418
  4. Step 4: Simplify right side
    344,958x = 289,893,942,724
  5. Step 5: Solve for x
    x = 289,893,942,724/344,958
  6. Step 6: Final answer
    x = 840,374.60

Related Problems

Find third proportional to 172,479 and 269,209
Half scale
Find third proportional to 689,916 and 1,076,836
Double scale
Find third proportional to 344,960 and 538,421
Similar ratio
Find third proportional to 517,437 and 807,627
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.