Home / 604,428-817,886

Finding the Third Proportional to 604,428 and 817,886

Calculator

Solution

The third proportional to 604,428 and 817,886 is: 1,106,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,428 : 817,886 = 817,886 : x
  2. Step 2: Convert to fraction form
    604,428/817,886 = 817,886/x
  3. Step 3: Cross multiply
    604,428x = 817,886 × 817,886
  4. Step 4: Simplify right side
    604,428x = 668,937,508,996
  5. Step 5: Solve for x
    x = 668,937,508,996/604,428
  6. Step 6: Final answer
    x = 1,106,728.19

Related Problems

Find third proportional to 302,214 and 408,943
Half scale
Find third proportional to 1,208,856 and 1,635,772
Double scale
Find third proportional to 604,430 and 817,889
Similar ratio
Find third proportional to 906,642 and 1,226,829
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.