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Finding the Third Proportional to 762,409.13 and 1,118,144.25

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Solution

The third proportional to 762,409.13 and 1,118,144.25 is: 1,639,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,409.13 : 1,118,144.25 = 1,118,144.25 : x
  2. Step 2: Convert to fraction form
    762,409.13/1,118,144.25 = 1,118,144.25/x
  3. Step 3: Cross multiply
    762,409.13x = 1,118,144.25 × 1,118,144.25
  4. Step 4: Simplify right side
    762,409.13x = 1,250,246,563,808.06
  5. Step 5: Solve for x
    x = 1,250,246,563,808.06/762,409.13
  6. Step 6: Final answer
    x = 1,639,863.06

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.