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Finding the Third Proportional to 1,916,176.50 and 4,172,553

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Solution

The third proportional to 1,916,176.50 and 4,172,553 is: 9,085,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,176.50 : 4,172,553 = 4,172,553 : x
  2. Step 2: Convert to fraction form
    1,916,176.50/4,172,553 = 4,172,553/x
  3. Step 3: Cross multiply
    1,916,176.50x = 4,172,553 × 4,172,553
  4. Step 4: Simplify right side
    1,916,176.50x = 17,410,198,537,809
  5. Step 5: Solve for x
    x = 17,410,198,537,809/1,916,176.50
  6. Step 6: Final answer
    x = 9,085,905.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.