Home / 140,553-306,342

Finding the Third Proportional to 140,553 and 306,342

Calculator

Solution

The third proportional to 140,553 and 306,342 is: 667,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553 : 306,342 = 306,342 : x
  2. Step 2: Convert to fraction form
    140,553/306,342 = 306,342/x
  3. Step 3: Cross multiply
    140,553x = 306,342 × 306,342
  4. Step 4: Simplify right side
    140,553x = 93,845,420,964
  5. Step 5: Solve for x
    x = 93,845,420,964/140,553
  6. Step 6: Final answer
    x = 667,687.07

Related Problems

Find third proportional to 70,276.50 and 153,171
Half scale
Find third proportional to 281,106 and 612,684
Double scale
Find third proportional to 140,555 and 306,346
Similar ratio
Find third proportional to 210,829.50 and 459,513
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.