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Finding the Third Proportional to 19,383,430.50 and 30,009,813.75

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Solution

The third proportional to 19,383,430.50 and 30,009,813.75 is: 46,461,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383,430.50 : 30,009,813.75 = 30,009,813.75 : x
  2. Step 2: Convert to fraction form
    19,383,430.50/30,009,813.75 = 30,009,813.75/x
  3. Step 3: Cross multiply
    19,383,430.50x = 30,009,813.75 × 30,009,813.75
  4. Step 4: Simplify right side
    19,383,430.50x = 900,588,921,309,689
  5. Step 5: Solve for x
    x = 900,588,921,309,689/19,383,430.50
  6. Step 6: Final answer
    x = 46,461,792.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.