Home / 245,430-345,537

Finding the Third Proportional to 245,430 and 345,537

Calculator

Solution

The third proportional to 245,430 and 345,537 is: 486,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,430 : 345,537 = 345,537 : x
  2. Step 2: Convert to fraction form
    245,430/345,537 = 345,537/x
  3. Step 3: Cross multiply
    245,430x = 345,537 × 345,537
  4. Step 4: Simplify right side
    245,430x = 119,395,818,369
  5. Step 5: Solve for x
    x = 119,395,818,369/245,430
  6. Step 6: Final answer
    x = 486,476.06

Related Problems

Find third proportional to 122,715 and 172,768.50
Half scale
Find third proportional to 490,860 and 691,074
Double scale
Find third proportional to 245,432 and 345,540
Similar ratio
Find third proportional to 368,145 and 518,305.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.