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Finding the Third Proportional to 20,223,543 and 28,615,689.50

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Solution

The third proportional to 20,223,543 and 28,615,689.50 is: 40,490,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,543 : 28,615,689.50 = 28,615,689.50 : x
  2. Step 2: Convert to fraction form
    20,223,543/28,615,689.50 = 28,615,689.50/x
  3. Step 3: Cross multiply
    20,223,543x = 28,615,689.50 × 28,615,689.50
  4. Step 4: Simplify right side
    20,223,543x = 818,857,685,560,410.25
  5. Step 5: Solve for x
    x = 818,857,685,560,410.25/20,223,543
  6. Step 6: Final answer
    x = 40,490,317.92

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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.