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Finding the Third Proportional to 1,127,732.63 and 2,478,751.88

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Solution

The third proportional to 1,127,732.63 and 2,478,751.88 is: 5,448,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,732.63 : 2,478,751.88 = 2,478,751.88 : x
  2. Step 2: Convert to fraction form
    1,127,732.63/2,478,751.88 = 2,478,751.88/x
  3. Step 3: Cross multiply
    1,127,732.63x = 2,478,751.88 × 2,478,751.88
  4. Step 4: Simplify right side
    1,127,732.63x = 6,144,210,857,816.02
  5. Step 5: Solve for x
    x = 6,144,210,857,816.02/1,127,732.63
  6. Step 6: Final answer
    x = 5,448,286.87

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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.