Home / 77,699.63-170,220

Finding the Third Proportional to 77,699.63 and 170,220

Calculator

Solution

The third proportional to 77,699.63 and 170,220 is: 372,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,699.63 : 170,220 = 170,220 : x
  2. Step 2: Convert to fraction form
    77,699.63/170,220 = 170,220/x
  3. Step 3: Cross multiply
    77,699.63x = 170,220 × 170,220
  4. Step 4: Simplify right side
    77,699.63x = 28,974,848,400
  5. Step 5: Solve for x
    x = 28,974,848,400/77,699.63
  6. Step 6: Final answer
    x = 372,908.47

Related Problems

Find third proportional to 38,849.81 and 85,110
Half scale
Find third proportional to 155,399.25 and 340,440
Double scale
Find third proportional to 77,702 and 170,224
Similar ratio
Find third proportional to 116,549.44 and 255,330
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.