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Finding the Third Proportional to 20,223,548 and 28,615,702

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Solution

The third proportional to 20,223,548 and 28,615,702 is: 40,490,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,548 : 28,615,702 = 28,615,702 : x
  2. Step 2: Convert to fraction form
    20,223,548/28,615,702 = 28,615,702/x
  3. Step 3: Cross multiply
    20,223,548x = 28,615,702 × 28,615,702
  4. Step 4: Simplify right side
    20,223,548x = 818,858,400,952,804
  5. Step 5: Solve for x
    x = 818,858,400,952,804/20,223,548
  6. Step 6: Final answer
    x = 40,490,343.28

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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.