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Finding the Third Proportional to 7,290 and 15,098.63

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Solution

The third proportional to 7,290 and 15,098.63 is: 31,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290 : 15,098.63 = 15,098.63 : x
  2. Step 2: Convert to fraction form
    7,290/15,098.63 = 15,098.63/x
  3. Step 3: Cross multiply
    7,290x = 15,098.63 × 15,098.63
  4. Step 4: Simplify right side
    7,290x = 227,968,476.89
  5. Step 5: Solve for x
    x = 227,968,476.89/7,290
  6. Step 6: Final answer
    x = 31,271.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.