Home / 133,070-288,310

Finding the Third Proportional to 133,070 and 288,310

Calculator

Solution

The third proportional to 133,070 and 288,310 is: 624,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070 : 288,310 = 288,310 : x
  2. Step 2: Convert to fraction form
    133,070/288,310 = 288,310/x
  3. Step 3: Cross multiply
    133,070x = 288,310 × 288,310
  4. Step 4: Simplify right side
    133,070x = 83,122,656,100
  5. Step 5: Solve for x
    x = 83,122,656,100/133,070
  6. Step 6: Final answer
    x = 624,653.61

Related Problems

Find third proportional to 66,535 and 144,155
Half scale
Find third proportional to 266,140 and 576,620
Double scale
Find third proportional to 133,072 and 288,314
Similar ratio
Find third proportional to 199,605 and 432,465
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.