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Finding the Third Proportional to 70,700 and 149,584

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Solution

The third proportional to 70,700 and 149,584 is: 316,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,700 : 149,584 = 149,584 : x
  2. Step 2: Convert to fraction form
    70,700/149,584 = 149,584/x
  3. Step 3: Cross multiply
    70,700x = 149,584 × 149,584
  4. Step 4: Simplify right side
    70,700x = 22,375,373,056
  5. Step 5: Solve for x
    x = 22,375,373,056/70,700
  6. Step 6: Final answer
    x = 316,483.35

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.