Home / 318,928-493,508

Finding the Third Proportional to 318,928 and 493,508

Calculator

Solution

The third proportional to 318,928 and 493,508 is: 763,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,928 : 493,508 = 493,508 : x
  2. Step 2: Convert to fraction form
    318,928/493,508 = 493,508/x
  3. Step 3: Cross multiply
    318,928x = 493,508 × 493,508
  4. Step 4: Simplify right side
    318,928x = 243,550,146,064
  5. Step 5: Solve for x
    x = 243,550,146,064/318,928
  6. Step 6: Final answer
    x = 763,652.44

Related Problems

Find third proportional to 159,464 and 246,754
Half scale
Find third proportional to 637,856 and 987,016
Double scale
Find third proportional to 318,930 and 493,511
Similar ratio
Find third proportional to 478,392 and 740,262
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.