Home / 318,060-491,850

Finding the Third Proportional to 318,060 and 491,850

Calculator

Solution

The third proportional to 318,060 and 491,850 is: 760,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,060 : 491,850 = 491,850 : x
  2. Step 2: Convert to fraction form
    318,060/491,850 = 491,850/x
  3. Step 3: Cross multiply
    318,060x = 491,850 × 491,850
  4. Step 4: Simplify right side
    318,060x = 241,916,422,500
  5. Step 5: Solve for x
    x = 241,916,422,500/318,060
  6. Step 6: Final answer
    x = 760,599.96

Related Problems

Find third proportional to 159,030 and 245,925
Half scale
Find third proportional to 636,120 and 983,700
Double scale
Find third proportional to 318,062 and 491,853
Similar ratio
Find third proportional to 477,090 and 737,775
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.