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Finding the Third Proportional to 874,131 and 1,319,229

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Solution

The third proportional to 874,131 and 1,319,229 is: 1,990,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,131 : 1,319,229 = 1,319,229 : x
  2. Step 2: Convert to fraction form
    874,131/1,319,229 = 1,319,229/x
  3. Step 3: Cross multiply
    874,131x = 1,319,229 × 1,319,229
  4. Step 4: Simplify right side
    874,131x = 1,740,365,154,441
  5. Step 5: Solve for x
    x = 1,740,365,154,441/874,131
  6. Step 6: Final answer
    x = 1,990,966.06

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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.