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Finding the Third Proportional to 163,113 and 330,837

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Solution

The third proportional to 163,113 and 330,837 is: 671,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,113 : 330,837 = 330,837 : x
  2. Step 2: Convert to fraction form
    163,113/330,837 = 330,837/x
  3. Step 3: Cross multiply
    163,113x = 330,837 × 330,837
  4. Step 4: Simplify right side
    163,113x = 109,453,120,569
  5. Step 5: Solve for x
    x = 109,453,120,569/163,113
  6. Step 6: Final answer
    x = 671,026.35

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.