Home / 557,820-886,464

Finding the Third Proportional to 557,820 and 886,464

Calculator

Solution

The third proportional to 557,820 and 886,464 is: 1,408,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,820 : 886,464 = 886,464 : x
  2. Step 2: Convert to fraction form
    557,820/886,464 = 886,464/x
  3. Step 3: Cross multiply
    557,820x = 886,464 × 886,464
  4. Step 4: Simplify right side
    557,820x = 785,818,423,296
  5. Step 5: Solve for x
    x = 785,818,423,296/557,820
  6. Step 6: Final answer
    x = 1,408,731.17

Related Problems

Find third proportional to 278,910 and 443,232
Half scale
Find third proportional to 1,115,640 and 1,772,928
Double scale
Find third proportional to 557,822 and 886,467
Similar ratio
Find third proportional to 836,730 and 1,329,696
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.