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Finding the Third Proportional to 99,258 and 153,813

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Solution

The third proportional to 99,258 and 153,813 is: 238,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,258 : 153,813 = 153,813 : x
  2. Step 2: Convert to fraction form
    99,258/153,813 = 153,813/x
  3. Step 3: Cross multiply
    99,258x = 153,813 × 153,813
  4. Step 4: Simplify right side
    99,258x = 23,658,438,969
  5. Step 5: Solve for x
    x = 23,658,438,969/99,258
  6. Step 6: Final answer
    x = 238,352.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.