Home / 357,894-779,724

Finding the Third Proportional to 357,894 and 779,724

Calculator

Solution

The third proportional to 357,894 and 779,724 is: 1,698,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,894 : 779,724 = 779,724 : x
  2. Step 2: Convert to fraction form
    357,894/779,724 = 779,724/x
  3. Step 3: Cross multiply
    357,894x = 779,724 × 779,724
  4. Step 4: Simplify right side
    357,894x = 607,969,516,176
  5. Step 5: Solve for x
    x = 607,969,516,176/357,894
  6. Step 6: Final answer
    x = 1,698,741.85

Related Problems

Find third proportional to 178,947 and 389,862
Half scale
Find third proportional to 715,788 and 1,559,448
Double scale
Find third proportional to 357,896 and 779,728
Similar ratio
Find third proportional to 536,841 and 1,169,586
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.