Home / 289,442-617,116

Finding the Third Proportional to 289,442 and 617,116

Calculator

Solution

The third proportional to 289,442 and 617,116 is: 1,315,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,442 : 617,116 = 617,116 : x
  2. Step 2: Convert to fraction form
    289,442/617,116 = 617,116/x
  3. Step 3: Cross multiply
    289,442x = 617,116 × 617,116
  4. Step 4: Simplify right side
    289,442x = 380,832,157,456
  5. Step 5: Solve for x
    x = 380,832,157,456/289,442
  6. Step 6: Final answer
    x = 1,315,746.01

Related Problems

Find third proportional to 144,721 and 308,558
Half scale
Find third proportional to 578,884 and 1,234,232
Double scale
Find third proportional to 289,444 and 617,120
Similar ratio
Find third proportional to 434,163 and 925,674
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.