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Finding the Third Proportional to 70,653 and 154,587

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Solution

The third proportional to 70,653 and 154,587 is: 338,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,653 : 154,587 = 154,587 : x
  2. Step 2: Convert to fraction form
    70,653/154,587 = 154,587/x
  3. Step 3: Cross multiply
    70,653x = 154,587 × 154,587
  4. Step 4: Simplify right side
    70,653x = 23,897,140,569
  5. Step 5: Solve for x
    x = 23,897,140,569/70,653
  6. Step 6: Final answer
    x = 338,232.50

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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.