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Finding the Third Proportional to 717,740 and 1,045,479

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Solution

The third proportional to 717,740 and 1,045,479 is: 1,522,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,740 : 1,045,479 = 1,045,479 : x
  2. Step 2: Convert to fraction form
    717,740/1,045,479 = 1,045,479/x
  3. Step 3: Cross multiply
    717,740x = 1,045,479 × 1,045,479
  4. Step 4: Simplify right side
    717,740x = 1,093,026,339,441
  5. Step 5: Solve for x
    x = 1,093,026,339,441/717,740
  6. Step 6: Final answer
    x = 1,522,872.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.