Home / 272,186-355,789

Finding the Third Proportional to 272,186 and 355,789

Calculator

Solution

The third proportional to 272,186 and 355,789 is: 465,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,186 : 355,789 = 355,789 : x
  2. Step 2: Convert to fraction form
    272,186/355,789 = 355,789/x
  3. Step 3: Cross multiply
    272,186x = 355,789 × 355,789
  4. Step 4: Simplify right side
    272,186x = 126,585,812,521
  5. Step 5: Solve for x
    x = 126,585,812,521/272,186
  6. Step 6: Final answer
    x = 465,070.99

Related Problems

Find third proportional to 136,093 and 177,894.50
Half scale
Find third proportional to 544,372 and 711,578
Double scale
Find third proportional to 272,188 and 355,792
Similar ratio
Find third proportional to 408,279 and 533,683.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.