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Finding the Third Proportional to 142,466.50 and 219,867.75

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Solution

The third proportional to 142,466.50 and 219,867.75 is: 339,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,466.50 : 219,867.75 = 219,867.75 : x
  2. Step 2: Convert to fraction form
    142,466.50/219,867.75 = 219,867.75/x
  3. Step 3: Cross multiply
    142,466.50x = 219,867.75 × 219,867.75
  4. Step 4: Simplify right side
    142,466.50x = 48,341,827,490.06
  5. Step 5: Solve for x
    x = 48,341,827,490.06/142,466.50
  6. Step 6: Final answer
    x = 339,320.66

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.