Home / 161,600-345,664

Finding the Third Proportional to 161,600 and 345,664

Calculator

Solution

The third proportional to 161,600 and 345,664 is: 739,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,600 : 345,664 = 345,664 : x
  2. Step 2: Convert to fraction form
    161,600/345,664 = 345,664/x
  3. Step 3: Cross multiply
    161,600x = 345,664 × 345,664
  4. Step 4: Simplify right side
    161,600x = 119,483,600,896
  5. Step 5: Solve for x
    x = 119,483,600,896/161,600
  6. Step 6: Final answer
    x = 739,378.72

Related Problems

Find third proportional to 80,800 and 172,832
Half scale
Find third proportional to 323,200 and 691,328
Double scale
Find third proportional to 161,602 and 345,668
Similar ratio
Find third proportional to 242,400 and 518,496
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.