Home / 134,976-290,688

Finding the Third Proportional to 134,976 and 290,688

Calculator

Solution

The third proportional to 134,976 and 290,688 is: 626,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,976 : 290,688 = 290,688 : x
  2. Step 2: Convert to fraction form
    134,976/290,688 = 290,688/x
  3. Step 3: Cross multiply
    134,976x = 290,688 × 290,688
  4. Step 4: Simplify right side
    134,976x = 84,499,513,344
  5. Step 5: Solve for x
    x = 84,499,513,344/134,976
  6. Step 6: Final answer
    x = 626,033.62

Related Problems

Find third proportional to 67,488 and 145,344
Half scale
Find third proportional to 269,952 and 581,376
Double scale
Find third proportional to 134,978 and 290,692
Similar ratio
Find third proportional to 202,464 and 436,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.