Home / 77,656-170,288

Finding the Third Proportional to 77,656 and 170,288

Calculator

Solution

The third proportional to 77,656 and 170,288 is: 373,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,656 : 170,288 = 170,288 : x
  2. Step 2: Convert to fraction form
    77,656/170,288 = 170,288/x
  3. Step 3: Cross multiply
    77,656x = 170,288 × 170,288
  4. Step 4: Simplify right side
    77,656x = 28,998,002,944
  5. Step 5: Solve for x
    x = 28,998,002,944/77,656
  6. Step 6: Final answer
    x = 373,416.13

Related Problems

Find third proportional to 38,828 and 85,144
Half scale
Find third proportional to 155,312 and 340,576
Double scale
Find third proportional to 77,658 and 170,292
Similar ratio
Find third proportional to 116,484 and 255,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.