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Finding the Third Proportional to 786,078 and 1,246,725

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Solution

The third proportional to 786,078 and 1,246,725 is: 1,977,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,078 : 1,246,725 = 1,246,725 : x
  2. Step 2: Convert to fraction form
    786,078/1,246,725 = 1,246,725/x
  3. Step 3: Cross multiply
    786,078x = 1,246,725 × 1,246,725
  4. Step 4: Simplify right side
    786,078x = 1,554,323,225,625
  5. Step 5: Solve for x
    x = 1,554,323,225,625/786,078
  6. Step 6: Final answer
    x = 1,977,314.24

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.