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Finding the Third Proportional to 914,455.50 and 2,009,919

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Solution

The third proportional to 914,455.50 and 2,009,919 is: 4,417,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,455.50 : 2,009,919 = 2,009,919 : x
  2. Step 2: Convert to fraction form
    914,455.50/2,009,919 = 2,009,919/x
  3. Step 3: Cross multiply
    914,455.50x = 2,009,919 × 2,009,919
  4. Step 4: Simplify right side
    914,455.50x = 4,039,774,386,561
  5. Step 5: Solve for x
    x = 4,039,774,386,561/914,455.50
  6. Step 6: Final answer
    x = 4,417,682.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.