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Finding the Third Proportional to 20,572,508.25 and 28,020,714.75

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Solution

The third proportional to 20,572,508.25 and 28,020,714.75 is: 38,165,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572,508.25 : 28,020,714.75 = 28,020,714.75 : x
  2. Step 2: Convert to fraction form
    20,572,508.25/28,020,714.75 = 28,020,714.75/x
  3. Step 3: Cross multiply
    20,572,508.25x = 28,020,714.75 × 28,020,714.75
  4. Step 4: Simplify right side
    20,572,508.25x = 785,160,455,100,867.50
  5. Step 5: Solve for x
    x = 785,160,455,100,867.50/20,572,508.25
  6. Step 6: Final answer
    x = 38,165,519.03

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.