Home / 265,260-405,636

Finding the Third Proportional to 265,260 and 405,636

Calculator

Solution

The third proportional to 265,260 and 405,636 is: 620,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,260 : 405,636 = 405,636 : x
  2. Step 2: Convert to fraction form
    265,260/405,636 = 405,636/x
  3. Step 3: Cross multiply
    265,260x = 405,636 × 405,636
  4. Step 4: Simplify right side
    265,260x = 164,540,564,496
  5. Step 5: Solve for x
    x = 164,540,564,496/265,260
  6. Step 6: Final answer
    x = 620,299.20

Related Problems

Find third proportional to 132,630 and 202,818
Half scale
Find third proportional to 530,520 and 811,272
Double scale
Find third proportional to 265,262 and 405,639
Similar ratio
Find third proportional to 397,890 and 608,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.