Home / 145,968-315,927

Finding the Third Proportional to 145,968 and 315,927

Calculator

Solution

The third proportional to 145,968 and 315,927 is: 683,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,968 : 315,927 = 315,927 : x
  2. Step 2: Convert to fraction form
    145,968/315,927 = 315,927/x
  3. Step 3: Cross multiply
    145,968x = 315,927 × 315,927
  4. Step 4: Simplify right side
    145,968x = 99,809,869,329
  5. Step 5: Solve for x
    x = 99,809,869,329/145,968
  6. Step 6: Final answer
    x = 683,779.11

Related Problems

Find third proportional to 72,984 and 157,963.50
Half scale
Find third proportional to 291,936 and 631,854
Double scale
Find third proportional to 145,970 and 315,931
Similar ratio
Find third proportional to 218,952 and 473,890.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.