Home / 145,856-318,706

Finding the Third Proportional to 145,856 and 318,706

Calculator

Solution

The third proportional to 145,856 and 318,706 is: 696,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,856 : 318,706 = 318,706 : x
  2. Step 2: Convert to fraction form
    145,856/318,706 = 318,706/x
  3. Step 3: Cross multiply
    145,856x = 318,706 × 318,706
  4. Step 4: Simplify right side
    145,856x = 101,573,514,436
  5. Step 5: Solve for x
    x = 101,573,514,436/145,856
  6. Step 6: Final answer
    x = 696,395.86

Related Problems

Find third proportional to 72,928 and 159,353
Half scale
Find third proportional to 291,712 and 637,412
Double scale
Find third proportional to 145,858 and 318,710
Similar ratio
Find third proportional to 218,784 and 478,059
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.