Home / 709,680-1,128,630

Finding the Third Proportional to 709,680 and 1,128,630

Calculator

Solution

The third proportional to 709,680 and 1,128,630 is: 1,794,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,680 : 1,128,630 = 1,128,630 : x
  2. Step 2: Convert to fraction form
    709,680/1,128,630 = 1,128,630/x
  3. Step 3: Cross multiply
    709,680x = 1,128,630 × 1,128,630
  4. Step 4: Simplify right side
    709,680x = 1,273,805,676,900
  5. Step 5: Solve for x
    x = 1,273,805,676,900/709,680
  6. Step 6: Final answer
    x = 1,794,901.47

Related Problems

Find third proportional to 354,840 and 564,315
Half scale
Find third proportional to 1,419,360 and 2,257,260
Double scale
Find third proportional to 709,682 and 1,128,633
Similar ratio
Find third proportional to 1,064,520 and 1,692,945
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.