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Finding the Third Proportional to 18,574,600 and 28,702,480

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Solution

The third proportional to 18,574,600 and 28,702,480 is: 44,352,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574,600 : 28,702,480 = 28,702,480 : x
  2. Step 2: Convert to fraction form
    18,574,600/28,702,480 = 28,702,480/x
  3. Step 3: Cross multiply
    18,574,600x = 28,702,480 × 28,702,480
  4. Step 4: Simplify right side
    18,574,600x = 823,832,358,150,400
  5. Step 5: Solve for x
    x = 823,832,358,150,400/18,574,600
  6. Step 6: Final answer
    x = 44,352,629.84

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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.