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Finding the Third Proportional to 18,703,132 and 40,295,480

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Solution

The third proportional to 18,703,132 and 40,295,480 is: 86,815,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,132 : 40,295,480 = 40,295,480 : x
  2. Step 2: Convert to fraction form
    18,703,132/40,295,480 = 40,295,480/x
  3. Step 3: Cross multiply
    18,703,132x = 40,295,480 × 40,295,480
  4. Step 4: Simplify right side
    18,703,132x = 1,623,725,708,430,400
  5. Step 5: Solve for x
    x = 1,623,725,708,430,400/18,703,132
  6. Step 6: Final answer
    x = 86,815,711.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.