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Finding the Third Proportional to 992,100 and 2,153,328

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Solution

The third proportional to 992,100 and 2,153,328 is: 4,673,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,100 : 2,153,328 = 2,153,328 : x
  2. Step 2: Convert to fraction form
    992,100/2,153,328 = 2,153,328/x
  3. Step 3: Cross multiply
    992,100x = 2,153,328 × 2,153,328
  4. Step 4: Simplify right side
    992,100x = 4,636,821,475,584
  5. Step 5: Solve for x
    x = 4,636,821,475,584/992,100
  6. Step 6: Final answer
    x = 4,673,744.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.