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Finding the Third Proportional to 153,090 and 330,824.25

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Solution

The third proportional to 153,090 and 330,824.25 is: 714,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,090 : 330,824.25 = 330,824.25 : x
  2. Step 2: Convert to fraction form
    153,090/330,824.25 = 330,824.25/x
  3. Step 3: Cross multiply
    153,090x = 330,824.25 × 330,824.25
  4. Step 4: Simplify right side
    153,090x = 109,444,684,388.06
  5. Step 5: Solve for x
    x = 109,444,684,388.06/153,090
  6. Step 6: Final answer
    x = 714,904.20

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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.