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Finding the Third Proportional to 12,221,947 and 26,884,478

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Solution

The third proportional to 12,221,947 and 26,884,478 is: 59,137,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,221,947 : 26,884,478 = 26,884,478 : x
  2. Step 2: Convert to fraction form
    12,221,947/26,884,478 = 26,884,478/x
  3. Step 3: Cross multiply
    12,221,947x = 26,884,478 × 26,884,478
  4. Step 4: Simplify right side
    12,221,947x = 722,775,157,332,484
  5. Step 5: Solve for x
    x = 722,775,157,332,484/12,221,947
  6. Step 6: Final answer
    x = 59,137,480.90

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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.