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Finding the Third Proportional to 803,240 and 1,070,868

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Solution

The third proportional to 803,240 and 1,070,868 is: 1,427,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,240 : 1,070,868 = 1,070,868 : x
  2. Step 2: Convert to fraction form
    803,240/1,070,868 = 1,070,868/x
  3. Step 3: Cross multiply
    803,240x = 1,070,868 × 1,070,868
  4. Step 4: Simplify right side
    803,240x = 1,146,758,273,424
  5. Step 5: Solve for x
    x = 1,146,758,273,424/803,240
  6. Step 6: Final answer
    x = 1,427,665.80

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.