Home / 165,490-357,217

Finding the Third Proportional to 165,490 and 357,217

Calculator

Solution

The third proportional to 165,490 and 357,217 is: 771,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,490 : 357,217 = 357,217 : x
  2. Step 2: Convert to fraction form
    165,490/357,217 = 357,217/x
  3. Step 3: Cross multiply
    165,490x = 357,217 × 357,217
  4. Step 4: Simplify right side
    165,490x = 127,603,985,089
  5. Step 5: Solve for x
    x = 127,603,985,089/165,490
  6. Step 6: Final answer
    x = 771,067.65

Related Problems

Find third proportional to 82,745 and 178,608.50
Half scale
Find third proportional to 330,980 and 714,434
Double scale
Find third proportional to 165,492 and 357,221
Similar ratio
Find third proportional to 248,235 and 535,825.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.