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Finding the Third Proportional to 753,554 and 1,138,011

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Solution

The third proportional to 753,554 and 1,138,011 is: 1,718,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,554 : 1,138,011 = 1,138,011 : x
  2. Step 2: Convert to fraction form
    753,554/1,138,011 = 1,138,011/x
  3. Step 3: Cross multiply
    753,554x = 1,138,011 × 1,138,011
  4. Step 4: Simplify right side
    753,554x = 1,295,069,036,121
  5. Step 5: Solve for x
    x = 1,295,069,036,121/753,554
  6. Step 6: Final answer
    x = 1,718,614.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.