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Finding the Third Proportional to 5,338,331 and 8,272,943

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Solution

The third proportional to 5,338,331 and 8,272,943 is: 12,820,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,331 : 8,272,943 = 8,272,943 : x
  2. Step 2: Convert to fraction form
    5,338,331/8,272,943 = 8,272,943/x
  3. Step 3: Cross multiply
    5,338,331x = 8,272,943 × 8,272,943
  4. Step 4: Simplify right side
    5,338,331x = 68,441,585,881,249
  5. Step 5: Solve for x
    x = 68,441,585,881,249/5,338,331
  6. Step 6: Final answer
    x = 12,820,783.48

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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.