Home / 358,402-782,005

Finding the Third Proportional to 358,402 and 782,005

Calculator

Solution

The third proportional to 358,402 and 782,005 is: 1,706,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,402 : 782,005 = 782,005 : x
  2. Step 2: Convert to fraction form
    358,402/782,005 = 782,005/x
  3. Step 3: Cross multiply
    358,402x = 782,005 × 782,005
  4. Step 4: Simplify right side
    358,402x = 611,531,820,025
  5. Step 5: Solve for x
    x = 611,531,820,025/358,402
  6. Step 6: Final answer
    x = 1,706,273.46

Related Problems

Find third proportional to 179,201 and 391,002.50
Half scale
Find third proportional to 716,804 and 1,564,010
Double scale
Find third proportional to 358,404 and 782,009
Similar ratio
Find third proportional to 537,603 and 1,173,007.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.