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Finding the Third Proportional to 13,140 and 28,363

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Solution

The third proportional to 13,140 and 28,363 is: 61,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140 : 28,363 = 28,363 : x
  2. Step 2: Convert to fraction form
    13,140/28,363 = 28,363/x
  3. Step 3: Cross multiply
    13,140x = 28,363 × 28,363
  4. Step 4: Simplify right side
    13,140x = 804,459,769
  5. Step 5: Solve for x
    x = 804,459,769/13,140
  6. Step 6: Final answer
    x = 61,222.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.