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Finding the Third Proportional to 68,935,687 and 149,360,229

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Solution

The third proportional to 68,935,687 and 149,360,229 is: 323,612,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935,687 : 149,360,229 = 149,360,229 : x
  2. Step 2: Convert to fraction form
    68,935,687/149,360,229 = 149,360,229/x
  3. Step 3: Cross multiply
    68,935,687x = 149,360,229 × 149,360,229
  4. Step 4: Simplify right side
    68,935,687x = 22,308,478,006,932,440
  5. Step 5: Solve for x
    x = 22,308,478,006,932,440/68,935,687
  6. Step 6: Final answer
    x = 323,612,906.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.