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Finding the Third Proportional to 10,689.75 and 23,445

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Solution

The third proportional to 10,689.75 and 23,445 is: 51,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.75 : 23,445 = 23,445 : x
  2. Step 2: Convert to fraction form
    10,689.75/23,445 = 23,445/x
  3. Step 3: Cross multiply
    10,689.75x = 23,445 × 23,445
  4. Step 4: Simplify right side
    10,689.75x = 549,668,025
  5. Step 5: Solve for x
    x = 549,668,025/10,689.75
  6. Step 6: Final answer
    x = 51,420.10

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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.