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Finding the Third Proportional to 163,641 and 358,512

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Solution

The third proportional to 163,641 and 358,512 is: 785,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,641 : 358,512 = 358,512 : x
  2. Step 2: Convert to fraction form
    163,641/358,512 = 358,512/x
  3. Step 3: Cross multiply
    163,641x = 358,512 × 358,512
  4. Step 4: Simplify right side
    163,641x = 128,530,854,144
  5. Step 5: Solve for x
    x = 128,530,854,144/163,641
  6. Step 6: Final answer
    x = 785,444.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.