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Finding the Third Proportional to 10,268,212 and 15,878,028

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Solution

The third proportional to 10,268,212 and 15,878,028 is: 24,552,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268,212 : 15,878,028 = 15,878,028 : x
  2. Step 2: Convert to fraction form
    10,268,212/15,878,028 = 15,878,028/x
  3. Step 3: Cross multiply
    10,268,212x = 15,878,028 × 15,878,028
  4. Step 4: Simplify right side
    10,268,212x = 252,111,773,168,784
  5. Step 5: Solve for x
    x = 252,111,773,168,784/10,268,212
  6. Step 6: Final answer
    x = 24,552,645.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.