Home / 290,767-616,748

Finding the Third Proportional to 290,767 and 616,748

Calculator

Solution

The third proportional to 290,767 and 616,748 is: 1,308,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,767 : 616,748 = 616,748 : x
  2. Step 2: Convert to fraction form
    290,767/616,748 = 616,748/x
  3. Step 3: Cross multiply
    290,767x = 616,748 × 616,748
  4. Step 4: Simplify right side
    290,767x = 380,378,095,504
  5. Step 5: Solve for x
    x = 380,378,095,504/290,767
  6. Step 6: Final answer
    x = 1,308,188.67

Related Problems

Find third proportional to 145,383.50 and 308,374
Half scale
Find third proportional to 581,534 and 1,233,496
Double scale
Find third proportional to 290,769 and 616,752
Similar ratio
Find third proportional to 436,150.50 and 925,122
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.