Home / 153,714-330,390

Finding the Third Proportional to 153,714 and 330,390

Calculator

Solution

The third proportional to 153,714 and 330,390 is: 710,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,714 : 330,390 = 330,390 : x
  2. Step 2: Convert to fraction form
    153,714/330,390 = 330,390/x
  3. Step 3: Cross multiply
    153,714x = 330,390 × 330,390
  4. Step 4: Simplify right side
    153,714x = 109,157,552,100
  5. Step 5: Solve for x
    x = 109,157,552,100/153,714
  6. Step 6: Final answer
    x = 710,134.09

Related Problems

Find third proportional to 76,857 and 165,195
Half scale
Find third proportional to 307,428 and 660,780
Double scale
Find third proportional to 153,716 and 330,394
Similar ratio
Find third proportional to 230,571 and 495,585
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.