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Finding the Third Proportional to 21,872,602 and 47,864,378

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Solution

The third proportional to 21,872,602 and 47,864,378 is: 104,742,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,602 : 47,864,378 = 47,864,378 : x
  2. Step 2: Convert to fraction form
    21,872,602/47,864,378 = 47,864,378/x
  3. Step 3: Cross multiply
    21,872,602x = 47,864,378 × 47,864,378
  4. Step 4: Simplify right side
    21,872,602x = 2,290,998,681,326,884
  5. Step 5: Solve for x
    x = 2,290,998,681,326,884/21,872,602
  6. Step 6: Final answer
    x = 104,742,850.50

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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.