Home / 136,288-293,312

Finding the Third Proportional to 136,288 and 293,312

Calculator

Solution

The third proportional to 136,288 and 293,312 is: 631,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,288 : 293,312 = 293,312 : x
  2. Step 2: Convert to fraction form
    136,288/293,312 = 293,312/x
  3. Step 3: Cross multiply
    136,288x = 293,312 × 293,312
  4. Step 4: Simplify right side
    136,288x = 86,031,929,344
  5. Step 5: Solve for x
    x = 86,031,929,344/136,288
  6. Step 6: Final answer
    x = 631,250.95

Related Problems

Find third proportional to 68,144 and 146,656
Half scale
Find third proportional to 272,576 and 586,624
Double scale
Find third proportional to 136,290 and 293,316
Similar ratio
Find third proportional to 204,432 and 439,968
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.