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Finding the Third Proportional to 15,123 and 22,156.50

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Solution

The third proportional to 15,123 and 22,156.50 is: 32,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123 : 22,156.50 = 22,156.50 : x
  2. Step 2: Convert to fraction form
    15,123/22,156.50 = 22,156.50/x
  3. Step 3: Cross multiply
    15,123x = 22,156.50 × 22,156.50
  4. Step 4: Simplify right side
    15,123x = 490,910,492.25
  5. Step 5: Solve for x
    x = 490,910,492.25/15,123
  6. Step 6: Final answer
    x = 32,461.18

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.