Home / 344,816-517,638

Finding the Third Proportional to 344,816 and 517,638

Calculator

Solution

The third proportional to 344,816 and 517,638 is: 777,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,816 : 517,638 = 517,638 : x
  2. Step 2: Convert to fraction form
    344,816/517,638 = 517,638/x
  3. Step 3: Cross multiply
    344,816x = 517,638 × 517,638
  4. Step 4: Simplify right side
    344,816x = 267,949,099,044
  5. Step 5: Solve for x
    x = 267,949,099,044/344,816
  6. Step 6: Final answer
    x = 777,078.50

Related Problems

Find third proportional to 172,408 and 258,819
Half scale
Find third proportional to 689,632 and 1,035,276
Double scale
Find third proportional to 344,818 and 517,641
Similar ratio
Find third proportional to 517,224 and 776,457
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.