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Finding the Third Proportional to 9,459,870.75 and 20,750,989.50

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Solution

The third proportional to 9,459,870.75 and 20,750,989.50 is: 45,518,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459,870.75 : 20,750,989.50 = 20,750,989.50 : x
  2. Step 2: Convert to fraction form
    9,459,870.75/20,750,989.50 = 20,750,989.50/x
  3. Step 3: Cross multiply
    9,459,870.75x = 20,750,989.50 × 20,750,989.50
  4. Step 4: Simplify right side
    9,459,870.75x = 430,603,565,229,110.25
  5. Step 5: Solve for x
    x = 430,603,565,229,110.25/9,459,870.75
  6. Step 6: Final answer
    x = 45,518,969.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.