Home / 131,311-288,151

Finding the Third Proportional to 131,311 and 288,151

Calculator

Solution

The third proportional to 131,311 and 288,151 is: 632,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,311 : 288,151 = 288,151 : x
  2. Step 2: Convert to fraction form
    131,311/288,151 = 288,151/x
  3. Step 3: Cross multiply
    131,311x = 288,151 × 288,151
  4. Step 4: Simplify right side
    131,311x = 83,030,998,801
  5. Step 5: Solve for x
    x = 83,030,998,801/131,311
  6. Step 6: Final answer
    x = 632,323.25

Related Problems

Find third proportional to 65,655.50 and 144,075.50
Half scale
Find third proportional to 262,622 and 576,302
Double scale
Find third proportional to 131,313 and 288,155
Similar ratio
Find third proportional to 196,966.50 and 432,226.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.