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Finding the Third Proportional to 15,402 and 23,070

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Solution

The third proportional to 15,402 and 23,070 is: 34,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402 : 23,070 = 23,070 : x
  2. Step 2: Convert to fraction form
    15,402/23,070 = 23,070/x
  3. Step 3: Cross multiply
    15,402x = 23,070 × 23,070
  4. Step 4: Simplify right side
    15,402x = 532,224,900
  5. Step 5: Solve for x
    x = 532,224,900/15,402
  6. Step 6: Final answer
    x = 34,555.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.