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Finding the Third Proportional to 7,312.38 and 15,792.38

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Solution

The third proportional to 7,312.38 and 15,792.38 is: 34,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.38 : 15,792.38 = 15,792.38 : x
  2. Step 2: Convert to fraction form
    7,312.38/15,792.38 = 15,792.38/x
  3. Step 3: Cross multiply
    7,312.38x = 15,792.38 × 15,792.38
  4. Step 4: Simplify right side
    7,312.38x = 249,399,108.14
  5. Step 5: Solve for x
    x = 249,399,108.14/7,312.38
  6. Step 6: Final answer
    x = 34,106.44

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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.