Home / 135,701-289,438

Finding the Third Proportional to 135,701 and 289,438

Calculator

Solution

The third proportional to 135,701 and 289,438 is: 617,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,701 : 289,438 = 289,438 : x
  2. Step 2: Convert to fraction form
    135,701/289,438 = 289,438/x
  3. Step 3: Cross multiply
    135,701x = 289,438 × 289,438
  4. Step 4: Simplify right side
    135,701x = 83,774,355,844
  5. Step 5: Solve for x
    x = 83,774,355,844/135,701
  6. Step 6: Final answer
    x = 617,345.16

Related Problems

Find third proportional to 67,850.50 and 144,719
Half scale
Find third proportional to 271,402 and 578,876
Double scale
Find third proportional to 135,703 and 289,442
Similar ratio
Find third proportional to 203,551.50 and 434,157
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.