Home / 271,776-578,636

Finding the Third Proportional to 271,776 and 578,636

Calculator

Solution

The third proportional to 271,776 and 578,636 is: 1,231,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,776 : 578,636 = 578,636 : x
  2. Step 2: Convert to fraction form
    271,776/578,636 = 578,636/x
  3. Step 3: Cross multiply
    271,776x = 578,636 × 578,636
  4. Step 4: Simplify right side
    271,776x = 334,819,620,496
  5. Step 5: Solve for x
    x = 334,819,620,496/271,776
  6. Step 6: Final answer
    x = 1,231,969.05

Related Problems

Find third proportional to 135,888 and 289,318
Half scale
Find third proportional to 543,552 and 1,157,272
Double scale
Find third proportional to 271,778 and 578,640
Similar ratio
Find third proportional to 407,664 and 867,954
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.