Home / 147,270-318,066

Finding the Third Proportional to 147,270 and 318,066

Calculator

Solution

The third proportional to 147,270 and 318,066 is: 686,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,270 : 318,066 = 318,066 : x
  2. Step 2: Convert to fraction form
    147,270/318,066 = 318,066/x
  3. Step 3: Cross multiply
    147,270x = 318,066 × 318,066
  4. Step 4: Simplify right side
    147,270x = 101,165,980,356
  5. Step 5: Solve for x
    x = 101,165,980,356/147,270
  6. Step 6: Final answer
    x = 686,942.22

Related Problems

Find third proportional to 73,635 and 159,033
Half scale
Find third proportional to 294,540 and 636,132
Double scale
Find third proportional to 147,272 and 318,070
Similar ratio
Find third proportional to 220,905 and 477,099
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.