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Finding the Third Proportional to 142,519,480 and 220,324,033

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Solution

The third proportional to 142,519,480 and 220,324,033 is: 340,603,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,519,480 : 220,324,033 = 220,324,033 : x
  2. Step 2: Convert to fraction form
    142,519,480/220,324,033 = 220,324,033/x
  3. Step 3: Cross multiply
    142,519,480x = 220,324,033 × 220,324,033
  4. Step 4: Simplify right side
    142,519,480x = 48,542,679,517,385,088
  5. Step 5: Solve for x
    x = 48,542,679,517,385,088/142,519,480
  6. Step 6: Final answer
    x = 340,603,821.44

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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.