Home / 308,947-676,946

Finding the Third Proportional to 308,947 and 676,946

Calculator

Solution

The third proportional to 308,947 and 676,946 is: 1,483,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,947 : 676,946 = 676,946 : x
  2. Step 2: Convert to fraction form
    308,947/676,946 = 676,946/x
  3. Step 3: Cross multiply
    308,947x = 676,946 × 676,946
  4. Step 4: Simplify right side
    308,947x = 458,255,886,916
  5. Step 5: Solve for x
    x = 458,255,886,916/308,947
  6. Step 6: Final answer
    x = 1,483,283.17

Related Problems

Find third proportional to 154,473.50 and 338,473
Half scale
Find third proportional to 617,894 and 1,353,892
Double scale
Find third proportional to 308,949 and 676,950
Similar ratio
Find third proportional to 463,420.50 and 1,015,419
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.