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Finding the Third Proportional to 529,616 and 1,249,172

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Solution

The third proportional to 529,616 and 1,249,172 is: 2,946,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,616 : 1,249,172 = 1,249,172 : x
  2. Step 2: Convert to fraction form
    529,616/1,249,172 = 1,249,172/x
  3. Step 3: Cross multiply
    529,616x = 1,249,172 × 1,249,172
  4. Step 4: Simplify right side
    529,616x = 1,560,430,685,584
  5. Step 5: Solve for x
    x = 1,560,430,685,584/529,616
  6. Step 6: Final answer
    x = 2,946,343.55

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.