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Finding the Third Proportional to 5,421,683.50 and 11,402,485

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Solution

The third proportional to 5,421,683.50 and 11,402,485 is: 23,980,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,683.50 : 11,402,485 = 11,402,485 : x
  2. Step 2: Convert to fraction form
    5,421,683.50/11,402,485 = 11,402,485/x
  3. Step 3: Cross multiply
    5,421,683.50x = 11,402,485 × 11,402,485
  4. Step 4: Simplify right side
    5,421,683.50x = 130,016,664,175,225
  5. Step 5: Solve for x
    x = 130,016,664,175,225/5,421,683.50
  6. Step 6: Final answer
    x = 23,980,865.75

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.