Home / 147,437-315,907

Finding the Third Proportional to 147,437 and 315,907

Calculator

Solution

The third proportional to 147,437 and 315,907 is: 676,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,437 : 315,907 = 315,907 : x
  2. Step 2: Convert to fraction form
    147,437/315,907 = 315,907/x
  3. Step 3: Cross multiply
    147,437x = 315,907 × 315,907
  4. Step 4: Simplify right side
    147,437x = 99,797,232,649
  5. Step 5: Solve for x
    x = 99,797,232,649/147,437
  6. Step 6: Final answer
    x = 676,880.52

Related Problems

Find third proportional to 73,718.50 and 157,953.50
Half scale
Find third proportional to 294,874 and 631,814
Double scale
Find third proportional to 147,439 and 315,911
Similar ratio
Find third proportional to 221,155.50 and 473,860.50
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.