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Finding the Third Proportional to 4,258,946 and 9,288,659

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Solution

The third proportional to 4,258,946 and 9,288,659 is: 20,258,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,946 : 9,288,659 = 9,288,659 : x
  2. Step 2: Convert to fraction form
    4,258,946/9,288,659 = 9,288,659/x
  3. Step 3: Cross multiply
    4,258,946x = 9,288,659 × 9,288,659
  4. Step 4: Simplify right side
    4,258,946x = 86,279,186,018,281
  5. Step 5: Solve for x
    x = 86,279,186,018,281/4,258,946
  6. Step 6: Final answer
    x = 20,258,342.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.