Home / 87,156-176,688

Finding the Third Proportional to 87,156 and 176,688

Calculator

Solution

The third proportional to 87,156 and 176,688 is: 358,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156 : 176,688 = 176,688 : x
  2. Step 2: Convert to fraction form
    87,156/176,688 = 176,688/x
  3. Step 3: Cross multiply
    87,156x = 176,688 × 176,688
  4. Step 4: Simplify right side
    87,156x = 31,218,649,344
  5. Step 5: Solve for x
    x = 31,218,649,344/87,156
  6. Step 6: Final answer
    x = 358,192.77

Related Problems

Find third proportional to 43,578 and 88,344
Half scale
Find third proportional to 174,312 and 353,376
Double scale
Find third proportional to 87,158 and 176,692
Similar ratio
Find third proportional to 130,734 and 265,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.