Home / 136,970-294,310

Finding the Third Proportional to 136,970 and 294,310

Calculator

Solution

The third proportional to 136,970 and 294,310 is: 632,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,970 : 294,310 = 294,310 : x
  2. Step 2: Convert to fraction form
    136,970/294,310 = 294,310/x
  3. Step 3: Cross multiply
    136,970x = 294,310 × 294,310
  4. Step 4: Simplify right side
    136,970x = 86,618,376,100
  5. Step 5: Solve for x
    x = 86,618,376,100/136,970
  6. Step 6: Final answer
    x = 632,389.40

Related Problems

Find third proportional to 68,485 and 147,155
Half scale
Find third proportional to 273,940 and 588,620
Double scale
Find third proportional to 136,972 and 294,314
Similar ratio
Find third proportional to 205,455 and 441,465
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.