Home / 77,555-167,490

Finding the Third Proportional to 77,555 and 167,490

Calculator

Solution

The third proportional to 77,555 and 167,490 is: 361,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555 : 167,490 = 167,490 : x
  2. Step 2: Convert to fraction form
    77,555/167,490 = 167,490/x
  3. Step 3: Cross multiply
    77,555x = 167,490 × 167,490
  4. Step 4: Simplify right side
    77,555x = 28,052,900,100
  5. Step 5: Solve for x
    x = 28,052,900,100/77,555
  6. Step 6: Final answer
    x = 361,716.20

Related Problems

Find third proportional to 38,777.50 and 83,745
Half scale
Find third proportional to 155,110 and 334,980
Double scale
Find third proportional to 77,557 and 167,494
Similar ratio
Find third proportional to 116,332.50 and 251,235
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.