Home / 565,640-1,219,840

Finding the Third Proportional to 565,640 and 1,219,840

Calculator

Solution

The third proportional to 565,640 and 1,219,840 is: 2,630,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,640 : 1,219,840 = 1,219,840 : x
  2. Step 2: Convert to fraction form
    565,640/1,219,840 = 1,219,840/x
  3. Step 3: Cross multiply
    565,640x = 1,219,840 × 1,219,840
  4. Step 4: Simplify right side
    565,640x = 1,488,009,625,600
  5. Step 5: Solve for x
    x = 1,488,009,625,600/565,640
  6. Step 6: Final answer
    x = 2,630,665.49

Related Problems

Find third proportional to 282,820 and 609,920
Half scale
Find third proportional to 1,131,280 and 2,439,680
Double scale
Find third proportional to 565,642 and 1,219,844
Similar ratio
Find third proportional to 848,460 and 1,829,760
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.