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Finding the Third Proportional to 70,419 and 156,580.50

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Solution

The third proportional to 70,419 and 156,580.50 is: 348,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,419 : 156,580.50 = 156,580.50 : x
  2. Step 2: Convert to fraction form
    70,419/156,580.50 = 156,580.50/x
  3. Step 3: Cross multiply
    70,419x = 156,580.50 × 156,580.50
  4. Step 4: Simplify right side
    70,419x = 24,517,452,980.25
  5. Step 5: Solve for x
    x = 24,517,452,980.25/70,419
  6. Step 6: Final answer
    x = 348,165.31

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.