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Finding the Third Proportional to 8,815,875.75 and 20,743,219.50

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Solution

The third proportional to 8,815,875.75 and 20,743,219.50 is: 48,807,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,875.75 : 20,743,219.50 = 20,743,219.50 : x
  2. Step 2: Convert to fraction form
    8,815,875.75/20,743,219.50 = 20,743,219.50/x
  3. Step 3: Cross multiply
    8,815,875.75x = 20,743,219.50 × 20,743,219.50
  4. Step 4: Simplify right side
    8,815,875.75x = 430,281,155,225,180.25
  5. Step 5: Solve for x
    x = 430,281,155,225,180.25/8,815,875.75
  6. Step 6: Final answer
    x = 48,807,533.98

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.