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Finding the Third Proportional to 121,356,150 and 177,492,555

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Solution

The third proportional to 121,356,150 and 177,492,555 is: 259,596,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,356,150 : 177,492,555 = 177,492,555 : x
  2. Step 2: Convert to fraction form
    121,356,150/177,492,555 = 177,492,555/x
  3. Step 3: Cross multiply
    121,356,150x = 177,492,555 × 177,492,555
  4. Step 4: Simplify right side
    121,356,150x = 31,503,607,080,428,024
  5. Step 5: Solve for x
    x = 31,503,607,080,428,024/121,356,150
  6. Step 6: Final answer
    x = 259,596,296.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.