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Finding the Third Proportional to 444,848.63 and 689,394.38

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Solution

The third proportional to 444,848.63 and 689,394.38 is: 1,068,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,848.63 : 689,394.38 = 689,394.38 : x
  2. Step 2: Convert to fraction form
    444,848.63/689,394.38 = 689,394.38/x
  3. Step 3: Cross multiply
    444,848.63x = 689,394.38 × 689,394.38
  4. Step 4: Simplify right side
    444,848.63x = 475,264,604,281.64
  5. Step 5: Solve for x
    x = 475,264,604,281.64/444,848.63
  6. Step 6: Final answer
    x = 1,068,373.77

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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.