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Finding the Third Proportional to 15,128,736 and 32,778,048

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Solution

The third proportional to 15,128,736 and 32,778,048 is: 71,017,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,736 : 32,778,048 = 32,778,048 : x
  2. Step 2: Convert to fraction form
    15,128,736/32,778,048 = 32,778,048/x
  3. Step 3: Cross multiply
    15,128,736x = 32,778,048 × 32,778,048
  4. Step 4: Simplify right side
    15,128,736x = 1,074,400,430,690,304
  5. Step 5: Solve for x
    x = 1,074,400,430,690,304/15,128,736
  6. Step 6: Final answer
    x = 71,017,197.38

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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.