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Finding the Third Proportional to 141,346 and 307,230

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Solution

The third proportional to 141,346 and 307,230 is: 667,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,346 : 307,230 = 307,230 : x
  2. Step 2: Convert to fraction form
    141,346/307,230 = 307,230/x
  3. Step 3: Cross multiply
    141,346x = 307,230 × 307,230
  4. Step 4: Simplify right side
    141,346x = 94,390,272,900
  5. Step 5: Solve for x
    x = 94,390,272,900/141,346
  6. Step 6: Final answer
    x = 667,795.85

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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.