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Finding the Third Proportional to 4,342,258 and 9,080,660

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Solution

The third proportional to 4,342,258 and 9,080,660 is: 18,989,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342,258 : 9,080,660 = 9,080,660 : x
  2. Step 2: Convert to fraction form
    4,342,258/9,080,660 = 9,080,660/x
  3. Step 3: Cross multiply
    4,342,258x = 9,080,660 × 9,080,660
  4. Step 4: Simplify right side
    4,342,258x = 82,458,386,035,600
  5. Step 5: Solve for x
    x = 82,458,386,035,600/4,342,258
  6. Step 6: Final answer
    x = 18,989,748.20

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.