Home / 135,748-289,528

Finding the Third Proportional to 135,748 and 289,528

Calculator

Solution

The third proportional to 135,748 and 289,528 is: 617,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,748 : 289,528 = 289,528 : x
  2. Step 2: Convert to fraction form
    135,748/289,528 = 289,528/x
  3. Step 3: Cross multiply
    135,748x = 289,528 × 289,528
  4. Step 4: Simplify right side
    135,748x = 83,826,462,784
  5. Step 5: Solve for x
    x = 83,826,462,784/135,748
  6. Step 6: Final answer
    x = 617,515.27

Related Problems

Find third proportional to 67,874 and 144,764
Half scale
Find third proportional to 271,496 and 579,056
Double scale
Find third proportional to 135,750 and 289,532
Similar ratio
Find third proportional to 203,622 and 434,292
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.