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Finding the Third Proportional to 20,572,500.50 and 28,020,705.75

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Solution

The third proportional to 20,572,500.50 and 28,020,705.75 is: 38,165,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572,500.50 : 28,020,705.75 = 28,020,705.75 : x
  2. Step 2: Convert to fraction form
    20,572,500.50/28,020,705.75 = 28,020,705.75/x
  3. Step 3: Cross multiply
    20,572,500.50x = 28,020,705.75 × 28,020,705.75
  4. Step 4: Simplify right side
    20,572,500.50x = 785,159,950,728,083
  5. Step 5: Solve for x
    x = 785,159,950,728,083/20,572,500.50
  6. Step 6: Final answer
    x = 38,165,508.89

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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.