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Finding the Third Proportional to 5,918,103 and 12,931,893

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Solution

The third proportional to 5,918,103 and 12,931,893 is: 28,258,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918,103 : 12,931,893 = 12,931,893 : x
  2. Step 2: Convert to fraction form
    5,918,103/12,931,893 = 12,931,893/x
  3. Step 3: Cross multiply
    5,918,103x = 12,931,893 × 12,931,893
  4. Step 4: Simplify right side
    5,918,103x = 167,233,856,563,449
  5. Step 5: Solve for x
    x = 167,233,856,563,449/5,918,103
  6. Step 6: Final answer
    x = 28,258,017.23

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Why These Related Problems?

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