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Finding the Third Proportional to 319,939 and 700,141

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Solution

The third proportional to 319,939 and 700,141 is: 1,532,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,939 : 700,141 = 700,141 : x
  2. Step 2: Convert to fraction form
    319,939/700,141 = 700,141/x
  3. Step 3: Cross multiply
    319,939x = 700,141 × 700,141
  4. Step 4: Simplify right side
    319,939x = 490,197,419,881
  5. Step 5: Solve for x
    x = 490,197,419,881/319,939
  6. Step 6: Final answer
    x = 1,532,159.00

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.