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Finding the Third Proportional to 875,782 and 1,319,936

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Solution

The third proportional to 875,782 and 1,319,936 is: 1,989,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,782 : 1,319,936 = 1,319,936 : x
  2. Step 2: Convert to fraction form
    875,782/1,319,936 = 1,319,936/x
  3. Step 3: Cross multiply
    875,782x = 1,319,936 × 1,319,936
  4. Step 4: Simplify right side
    875,782x = 1,742,231,044,096
  5. Step 5: Solve for x
    x = 1,742,231,044,096/875,782
  6. Step 6: Final answer
    x = 1,989,343.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.