Home / 201,490-272,670

Finding the Third Proportional to 201,490 and 272,670

Calculator

Solution

The third proportional to 201,490 and 272,670 is: 368,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,490 : 272,670 = 272,670 : x
  2. Step 2: Convert to fraction form
    201,490/272,670 = 272,670/x
  3. Step 3: Cross multiply
    201,490x = 272,670 × 272,670
  4. Step 4: Simplify right side
    201,490x = 74,348,928,900
  5. Step 5: Solve for x
    x = 74,348,928,900/201,490
  6. Step 6: Final answer
    x = 368,995.63

Related Problems

Find third proportional to 100,745 and 136,335
Half scale
Find third proportional to 402,980 and 545,340
Double scale
Find third proportional to 201,492 and 272,673
Similar ratio
Find third proportional to 302,235 and 409,005
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.