Home / 429,801-581,639

Finding the Third Proportional to 429,801 and 581,639

Calculator

Solution

The third proportional to 429,801 and 581,639 is: 787,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,801 : 581,639 = 581,639 : x
  2. Step 2: Convert to fraction form
    429,801/581,639 = 581,639/x
  3. Step 3: Cross multiply
    429,801x = 581,639 × 581,639
  4. Step 4: Simplify right side
    429,801x = 338,303,926,321
  5. Step 5: Solve for x
    x = 338,303,926,321/429,801
  6. Step 6: Final answer
    x = 787,117.59

Related Problems

Find third proportional to 214,900.50 and 290,819.50
Half scale
Find third proportional to 859,602 and 1,163,278
Double scale
Find third proportional to 429,803 and 581,642
Similar ratio
Find third proportional to 644,701.50 and 872,458.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.