Home / 319,928-692,848

Finding the Third Proportional to 319,928 and 692,848

Calculator

Solution

The third proportional to 319,928 and 692,848 is: 1,500,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,928 : 692,848 = 692,848 : x
  2. Step 2: Convert to fraction form
    319,928/692,848 = 692,848/x
  3. Step 3: Cross multiply
    319,928x = 692,848 × 692,848
  4. Step 4: Simplify right side
    319,928x = 480,038,351,104
  5. Step 5: Solve for x
    x = 480,038,351,104/319,928
  6. Step 6: Final answer
    x = 1,500,457.45

Related Problems

Find third proportional to 159,964 and 346,424
Half scale
Find third proportional to 639,856 and 1,385,696
Double scale
Find third proportional to 319,930 and 692,852
Similar ratio
Find third proportional to 479,892 and 1,039,272
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.