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Finding the Third Proportional to 4,420,258.45 and 9,662,244.05

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Solution

The third proportional to 4,420,258.45 and 9,662,244.05 is: 21,120,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,258.45 : 9,662,244.05 = 9,662,244.05 : x
  2. Step 2: Convert to fraction form
    4,420,258.45/9,662,244.05 = 9,662,244.05/x
  3. Step 3: Cross multiply
    4,420,258.45x = 9,662,244.05 × 9,662,244.05
  4. Step 4: Simplify right side
    4,420,258.45x = 93,358,960,021,371.38
  5. Step 5: Solve for x
    x = 93,358,960,021,371.38/4,420,258.45
  6. Step 6: Final answer
    x = 21,120,701.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.