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Finding the Third Proportional to 641,102 and 1,015,169

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Solution

The third proportional to 641,102 and 1,015,169 is: 1,607,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,102 : 1,015,169 = 1,015,169 : x
  2. Step 2: Convert to fraction form
    641,102/1,015,169 = 1,015,169/x
  3. Step 3: Cross multiply
    641,102x = 1,015,169 × 1,015,169
  4. Step 4: Simplify right side
    641,102x = 1,030,568,098,561
  5. Step 5: Solve for x
    x = 1,030,568,098,561/641,102
  6. Step 6: Final answer
    x = 1,607,494.75

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.