Home / 425,688-917,814

Finding the Third Proportional to 425,688 and 917,814

Calculator

Solution

The third proportional to 425,688 and 917,814 is: 1,978,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,688 : 917,814 = 917,814 : x
  2. Step 2: Convert to fraction form
    425,688/917,814 = 917,814/x
  3. Step 3: Cross multiply
    425,688x = 917,814 × 917,814
  4. Step 4: Simplify right side
    425,688x = 842,382,538,596
  5. Step 5: Solve for x
    x = 842,382,538,596/425,688
  6. Step 6: Final answer
    x = 1,978,873.12

Related Problems

Find third proportional to 212,844 and 458,907
Half scale
Find third proportional to 851,376 and 1,835,628
Double scale
Find third proportional to 425,690 and 917,818
Similar ratio
Find third proportional to 638,532 and 1,376,721
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.