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Finding the Third Proportional to 602,690.63 and 818,515.13

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Solution

The third proportional to 602,690.63 and 818,515.13 is: 1,111,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,690.63 : 818,515.13 = 818,515.13 : x
  2. Step 2: Convert to fraction form
    602,690.63/818,515.13 = 818,515.13/x
  3. Step 3: Cross multiply
    602,690.63x = 818,515.13 × 818,515.13
  4. Step 4: Simplify right side
    602,690.63x = 669,967,009,853.77
  5. Step 5: Solve for x
    x = 669,967,009,853.77/602,690.63
  6. Step 6: Final answer
    x = 1,111,626.73

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.