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Finding the Third Proportional to 708,102 and 1,556,172

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Solution

The third proportional to 708,102 and 1,556,172 is: 3,419,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,102 : 1,556,172 = 1,556,172 : x
  2. Step 2: Convert to fraction form
    708,102/1,556,172 = 1,556,172/x
  3. Step 3: Cross multiply
    708,102x = 1,556,172 × 1,556,172
  4. Step 4: Simplify right side
    708,102x = 2,421,671,293,584
  5. Step 5: Solve for x
    x = 2,421,671,293,584/708,102
  6. Step 6: Final answer
    x = 3,419,946.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.