Home / 549,280-783,970

Finding the Third Proportional to 549,280 and 783,970

Calculator

Solution

The third proportional to 549,280 and 783,970 is: 1,118,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,280 : 783,970 = 783,970 : x
  2. Step 2: Convert to fraction form
    549,280/783,970 = 783,970/x
  3. Step 3: Cross multiply
    549,280x = 783,970 × 783,970
  4. Step 4: Simplify right side
    549,280x = 614,608,960,900
  5. Step 5: Solve for x
    x = 614,608,960,900/549,280
  6. Step 6: Final answer
    x = 1,118,935.63

Related Problems

Find third proportional to 274,640 and 391,985
Half scale
Find third proportional to 1,098,560 and 1,567,940
Double scale
Find third proportional to 549,282 and 783,973
Similar ratio
Find third proportional to 823,920 and 1,175,955
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.