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Finding the Third Proportional to 151,209 and 330,088.50

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Solution

The third proportional to 151,209 and 330,088.50 is: 720,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,209 : 330,088.50 = 330,088.50 : x
  2. Step 2: Convert to fraction form
    151,209/330,088.50 = 330,088.50/x
  3. Step 3: Cross multiply
    151,209x = 330,088.50 × 330,088.50
  4. Step 4: Simplify right side
    151,209x = 108,958,417,832.25
  5. Step 5: Solve for x
    x = 108,958,417,832.25/151,209
  6. Step 6: Final answer
    x = 720,581.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.