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Finding the Third Proportional to 1,145,480.63 and 1,698,405.75

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Solution

The third proportional to 1,145,480.63 and 1,698,405.75 is: 2,518,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,480.63 : 1,698,405.75 = 1,698,405.75 : x
  2. Step 2: Convert to fraction form
    1,145,480.63/1,698,405.75 = 1,698,405.75/x
  3. Step 3: Cross multiply
    1,145,480.63x = 1,698,405.75 × 1,698,405.75
  4. Step 4: Simplify right side
    1,145,480.63x = 2,884,582,091,633.06
  5. Step 5: Solve for x
    x = 2,884,582,091,633.06/1,145,480.63
  6. Step 6: Final answer
    x = 2,518,228.62

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.