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Finding the Third Proportional to 18,361,520 and 28,332,300

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Solution

The third proportional to 18,361,520 and 28,332,300 is: 43,717,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,520 : 28,332,300 = 28,332,300 : x
  2. Step 2: Convert to fraction form
    18,361,520/28,332,300 = 28,332,300/x
  3. Step 3: Cross multiply
    18,361,520x = 28,332,300 × 28,332,300
  4. Step 4: Simplify right side
    18,361,520x = 802,719,223,290,000
  5. Step 5: Solve for x
    x = 802,719,223,290,000/18,361,520
  6. Step 6: Final answer
    x = 43,717,471.28

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.