Home / 307,220-635,754

Finding the Third Proportional to 307,220 and 635,754

Calculator

Solution

The third proportional to 307,220 and 635,754 is: 1,315,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,220 : 635,754 = 635,754 : x
  2. Step 2: Convert to fraction form
    307,220/635,754 = 635,754/x
  3. Step 3: Cross multiply
    307,220x = 635,754 × 635,754
  4. Step 4: Simplify right side
    307,220x = 404,183,148,516
  5. Step 5: Solve for x
    x = 404,183,148,516/307,220
  6. Step 6: Final answer
    x = 1,315,614.70

Related Problems

Find third proportional to 153,610 and 317,877
Half scale
Find third proportional to 614,440 and 1,271,508
Double scale
Find third proportional to 307,222 and 635,758
Similar ratio
Find third proportional to 460,830 and 953,631
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.