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Finding the Third Proportional to 10,389 and 22,237.50

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Solution

The third proportional to 10,389 and 22,237.50 is: 47,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389 : 22,237.50 = 22,237.50 : x
  2. Step 2: Convert to fraction form
    10,389/22,237.50 = 22,237.50/x
  3. Step 3: Cross multiply
    10,389x = 22,237.50 × 22,237.50
  4. Step 4: Simplify right side
    10,389x = 494,506,406.25
  5. Step 5: Solve for x
    x = 494,506,406.25/10,389
  6. Step 6: Final answer
    x = 47,599.04

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.