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Finding the Third Proportional to 319,938 and 700,134

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Solution

The third proportional to 319,938 and 700,134 is: 1,532,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,938 : 700,134 = 700,134 : x
  2. Step 2: Convert to fraction form
    319,938/700,134 = 700,134/x
  3. Step 3: Cross multiply
    319,938x = 700,134 × 700,134
  4. Step 4: Simplify right side
    319,938x = 490,187,617,956
  5. Step 5: Solve for x
    x = 490,187,617,956/319,938
  6. Step 6: Final answer
    x = 1,532,133.16

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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.