Home / 91,537,372-138,157,320

Finding the Third Proportional to 91,537,372 and 138,157,320

Calculator

Solution

The third proportional to 91,537,372 and 138,157,320 is: 208,520,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,537,372 : 138,157,320 = 138,157,320 : x
  2. Step 2: Convert to fraction form
    91,537,372/138,157,320 = 138,157,320/x
  3. Step 3: Cross multiply
    91,537,372x = 138,157,320 × 138,157,320
  4. Step 4: Simplify right side
    91,537,372x = 19,087,445,069,582,400
  5. Step 5: Solve for x
    x = 19,087,445,069,582,400/91,537,372
  6. Step 6: Final answer
    x = 208,520,789.41

Related Problems

Find third proportional to 45,768,686 and 69,078,660
Half scale
Find third proportional to 183,074,744 and 276,314,640
Double scale
Find third proportional to 91,537,374 and 138,157,323
Similar ratio
Find third proportional to 137,306,058 and 207,235,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.