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Finding the Third Proportional to 9,955,466 and 21,275,604

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Solution

The third proportional to 9,955,466 and 21,275,604 is: 45,467,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955,466 : 21,275,604 = 21,275,604 : x
  2. Step 2: Convert to fraction form
    9,955,466/21,275,604 = 21,275,604/x
  3. Step 3: Cross multiply
    9,955,466x = 21,275,604 × 21,275,604
  4. Step 4: Simplify right side
    9,955,466x = 452,651,325,564,816
  5. Step 5: Solve for x
    x = 452,651,325,564,816/9,955,466
  6. Step 6: Final answer
    x = 45,467,618.05

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.