Home / 141,772-308,312

Finding the Third Proportional to 141,772 and 308,312

Calculator

Solution

The third proportional to 141,772 and 308,312 is: 670,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,772 : 308,312 = 308,312 : x
  2. Step 2: Convert to fraction form
    141,772/308,312 = 308,312/x
  3. Step 3: Cross multiply
    141,772x = 308,312 × 308,312
  4. Step 4: Simplify right side
    141,772x = 95,056,289,344
  5. Step 5: Solve for x
    x = 95,056,289,344/141,772
  6. Step 6: Final answer
    x = 670,487.05

Related Problems

Find third proportional to 70,886 and 154,156
Half scale
Find third proportional to 283,544 and 616,624
Double scale
Find third proportional to 141,774 and 308,316
Similar ratio
Find third proportional to 212,658 and 462,468
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.