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Finding the Third Proportional to 88,905 and 209,867.50

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Solution

The third proportional to 88,905 and 209,867.50 is: 495,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,905 : 209,867.50 = 209,867.50 : x
  2. Step 2: Convert to fraction form
    88,905/209,867.50 = 209,867.50/x
  3. Step 3: Cross multiply
    88,905x = 209,867.50 × 209,867.50
  4. Step 4: Simplify right side
    88,905x = 44,044,367,556.25
  5. Step 5: Solve for x
    x = 44,044,367,556.25/88,905
  6. Step 6: Final answer
    x = 495,409.34

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.