Home / 399,664-602,136

Finding the Third Proportional to 399,664 and 602,136

Calculator

Solution

The third proportional to 399,664 and 602,136 is: 907,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,664 : 602,136 = 602,136 : x
  2. Step 2: Convert to fraction form
    399,664/602,136 = 602,136/x
  3. Step 3: Cross multiply
    399,664x = 602,136 × 602,136
  4. Step 4: Simplify right side
    399,664x = 362,567,762,496
  5. Step 5: Solve for x
    x = 362,567,762,496/399,664
  6. Step 6: Final answer
    x = 907,181.44

Related Problems

Find third proportional to 199,832 and 301,068
Half scale
Find third proportional to 799,328 and 1,204,272
Double scale
Find third proportional to 399,666 and 602,139
Similar ratio
Find third proportional to 599,496 and 903,204
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.