Home / 161,140-345,612

Finding the Third Proportional to 161,140 and 345,612

Calculator

Solution

The third proportional to 161,140 and 345,612 is: 741,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,140 : 345,612 = 345,612 : x
  2. Step 2: Convert to fraction form
    161,140/345,612 = 345,612/x
  3. Step 3: Cross multiply
    161,140x = 345,612 × 345,612
  4. Step 4: Simplify right side
    161,140x = 119,447,654,544
  5. Step 5: Solve for x
    x = 119,447,654,544/161,140
  6. Step 6: Final answer
    x = 741,266.32

Related Problems

Find third proportional to 80,570 and 172,806
Half scale
Find third proportional to 322,280 and 691,224
Double scale
Find third proportional to 161,142 and 345,616
Similar ratio
Find third proportional to 241,710 and 518,418
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.