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Finding the Third Proportional to 102,705 and 153,652.50

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Solution

The third proportional to 102,705 and 153,652.50 is: 229,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,705 : 153,652.50 = 153,652.50 : x
  2. Step 2: Convert to fraction form
    102,705/153,652.50 = 153,652.50/x
  3. Step 3: Cross multiply
    102,705x = 153,652.50 × 153,652.50
  4. Step 4: Simplify right side
    102,705x = 23,609,090,756.25
  5. Step 5: Solve for x
    x = 23,609,090,756.25/102,705
  6. Step 6: Final answer
    x = 229,872.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.