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Finding the Third Proportional to 153,141 and 330,904.50

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Solution

The third proportional to 153,141 and 330,904.50 is: 715,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,141 : 330,904.50 = 330,904.50 : x
  2. Step 2: Convert to fraction form
    153,141/330,904.50 = 330,904.50/x
  3. Step 3: Cross multiply
    153,141x = 330,904.50 × 330,904.50
  4. Step 4: Simplify right side
    153,141x = 109,497,788,120.25
  5. Step 5: Solve for x
    x = 109,497,788,120.25/153,141
  6. Step 6: Final answer
    x = 715,012.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.