Home / 135,654-288,804

Finding the Third Proportional to 135,654 and 288,804

Calculator

Solution

The third proportional to 135,654 and 288,804 is: 614,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,654 : 288,804 = 288,804 : x
  2. Step 2: Convert to fraction form
    135,654/288,804 = 288,804/x
  3. Step 3: Cross multiply
    135,654x = 288,804 × 288,804
  4. Step 4: Simplify right side
    135,654x = 83,407,750,416
  5. Step 5: Solve for x
    x = 83,407,750,416/135,654
  6. Step 6: Final answer
    x = 614,856.55

Related Problems

Find third proportional to 67,827 and 144,402
Half scale
Find third proportional to 271,308 and 577,608
Double scale
Find third proportional to 135,656 and 288,808
Similar ratio
Find third proportional to 203,481 and 433,206
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.