Home / 175,520-342,287

Finding the Third Proportional to 175,520 and 342,287

Calculator

Solution

The third proportional to 175,520 and 342,287 is: 667,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,520 : 342,287 = 342,287 : x
  2. Step 2: Convert to fraction form
    175,520/342,287 = 342,287/x
  3. Step 3: Cross multiply
    175,520x = 342,287 × 342,287
  4. Step 4: Simplify right side
    175,520x = 117,160,390,369
  5. Step 5: Solve for x
    x = 117,160,390,369/175,520
  6. Step 6: Final answer
    x = 667,504.50

Related Problems

Find third proportional to 87,760 and 171,143.50
Half scale
Find third proportional to 351,040 and 684,574
Double scale
Find third proportional to 175,522 and 342,291
Similar ratio
Find third proportional to 263,280 and 513,430.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.