Home / 371,894-812,908

Finding the Third Proportional to 371,894 and 812,908

Calculator

Solution

The third proportional to 371,894 and 812,908 is: 1,776,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,894 : 812,908 = 812,908 : x
  2. Step 2: Convert to fraction form
    371,894/812,908 = 812,908/x
  3. Step 3: Cross multiply
    371,894x = 812,908 × 812,908
  4. Step 4: Simplify right side
    371,894x = 660,819,416,464
  5. Step 5: Solve for x
    x = 660,819,416,464/371,894
  6. Step 6: Final answer
    x = 1,776,902.60

Related Problems

Find third proportional to 185,947 and 406,454
Half scale
Find third proportional to 743,788 and 1,625,816
Double scale
Find third proportional to 371,896 and 812,912
Similar ratio
Find third proportional to 557,841 and 1,219,362
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.