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Finding the Third Proportional to 45,319.50 and 70,348.50

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Solution

The third proportional to 45,319.50 and 70,348.50 is: 109,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.50 : 70,348.50 = 70,348.50 : x
  2. Step 2: Convert to fraction form
    45,319.50/70,348.50 = 70,348.50/x
  3. Step 3: Cross multiply
    45,319.50x = 70,348.50 × 70,348.50
  4. Step 4: Simplify right side
    45,319.50x = 4,948,911,452.25
  5. Step 5: Solve for x
    x = 4,948,911,452.25/45,319.50
  6. Step 6: Final answer
    x = 109,200.49

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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.