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Finding the Third Proportional to 319,599 and 710,145

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Solution

The third proportional to 319,599 and 710,145 is: 1,577,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,599 : 710,145 = 710,145 : x
  2. Step 2: Convert to fraction form
    319,599/710,145 = 710,145/x
  3. Step 3: Cross multiply
    319,599x = 710,145 × 710,145
  4. Step 4: Simplify right side
    319,599x = 504,305,921,025
  5. Step 5: Solve for x
    x = 504,305,921,025/319,599
  6. Step 6: Final answer
    x = 1,577,933.35

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.