Home / 142,352-308,080

Finding the Third Proportional to 142,352 and 308,080

Calculator

Solution

The third proportional to 142,352 and 308,080 is: 666,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,352 : 308,080 = 308,080 : x
  2. Step 2: Convert to fraction form
    142,352/308,080 = 308,080/x
  3. Step 3: Cross multiply
    142,352x = 308,080 × 308,080
  4. Step 4: Simplify right side
    142,352x = 94,913,286,400
  5. Step 5: Solve for x
    x = 94,913,286,400/142,352
  6. Step 6: Final answer
    x = 666,750.64

Related Problems

Find third proportional to 71,176 and 154,040
Half scale
Find third proportional to 284,704 and 616,160
Double scale
Find third proportional to 142,354 and 308,084
Similar ratio
Find third proportional to 213,528 and 462,120
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.