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Finding the Third Proportional to 5,039,289 and 10,918,386

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Solution

The third proportional to 5,039,289 and 10,918,386 is: 23,656,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039,289 : 10,918,386 = 10,918,386 : x
  2. Step 2: Convert to fraction form
    5,039,289/10,918,386 = 10,918,386/x
  3. Step 3: Cross multiply
    5,039,289x = 10,918,386 × 10,918,386
  4. Step 4: Simplify right side
    5,039,289x = 119,211,152,844,996
  5. Step 5: Solve for x
    x = 119,211,152,844,996/5,039,289
  6. Step 6: Final answer
    x = 23,656,343.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.