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Finding the Third Proportional to 4,417,778 and 9,662,692

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Solution

The third proportional to 4,417,778 and 9,662,692 is: 21,134,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417,778 : 9,662,692 = 9,662,692 : x
  2. Step 2: Convert to fraction form
    4,417,778/9,662,692 = 9,662,692/x
  3. Step 3: Cross multiply
    4,417,778x = 9,662,692 × 9,662,692
  4. Step 4: Simplify right side
    4,417,778x = 93,367,616,686,864
  5. Step 5: Solve for x
    x = 93,367,616,686,864/4,417,778
  6. Step 6: Final answer
    x = 21,134,519.82

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