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Finding the Third Proportional to 20,223,544 and 28,615,691

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Solution

The third proportional to 20,223,544 and 28,615,691 is: 40,490,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,544 : 28,615,691 = 28,615,691 : x
  2. Step 2: Convert to fraction form
    20,223,544/28,615,691 = 28,615,691/x
  3. Step 3: Cross multiply
    20,223,544x = 28,615,691 × 28,615,691
  4. Step 4: Simplify right side
    20,223,544x = 818,857,771,407,481
  5. Step 5: Solve for x
    x = 818,857,771,407,481/20,223,544
  6. Step 6: Final answer
    x = 40,490,320.16

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.