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Finding the Third Proportional to 73,612,194 and 154,839,486

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Solution

The third proportional to 73,612,194 and 154,839,486 is: 325,696,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612,194 : 154,839,486 = 154,839,486 : x
  2. Step 2: Convert to fraction form
    73,612,194/154,839,486 = 154,839,486/x
  3. Step 3: Cross multiply
    73,612,194x = 154,839,486 × 154,839,486
  4. Step 4: Simplify right side
    73,612,194x = 23,975,266,424,744,196
  5. Step 5: Solve for x
    x = 23,975,266,424,744,196/73,612,194
  6. Step 6: Final answer
    x = 325,696,941.25

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.