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Finding the Third Proportional to 158,654 and 345,712

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Solution

The third proportional to 158,654 and 345,712 is: 753,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,654 : 345,712 = 345,712 : x
  2. Step 2: Convert to fraction form
    158,654/345,712 = 345,712/x
  3. Step 3: Cross multiply
    158,654x = 345,712 × 345,712
  4. Step 4: Simplify right side
    158,654x = 119,516,786,944
  5. Step 5: Solve for x
    x = 119,516,786,944/158,654
  6. Step 6: Final answer
    x = 753,317.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.