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Finding the Third Proportional to 1,176,748.88 and 1,818,376.17

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Solution

The third proportional to 1,176,748.88 and 1,818,376.17 is: 2,809,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,748.88 : 1,818,376.17 = 1,818,376.17 : x
  2. Step 2: Convert to fraction form
    1,176,748.88/1,818,376.17 = 1,818,376.17/x
  3. Step 3: Cross multiply
    1,176,748.88x = 1,818,376.17 × 1,818,376.17
  4. Step 4: Simplify right side
    1,176,748.88x = 3,306,491,902,442.78
  5. Step 5: Solve for x
    x = 3,306,491,902,442.78/1,176,748.88
  6. Step 6: Final answer
    x = 2,809,853.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.