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Finding the Third Proportional to 7,094.50 and 15,430

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Solution

The third proportional to 7,094.50 and 15,430 is: 33,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.50 : 15,430 = 15,430 : x
  2. Step 2: Convert to fraction form
    7,094.50/15,430 = 15,430/x
  3. Step 3: Cross multiply
    7,094.50x = 15,430 × 15,430
  4. Step 4: Simplify right side
    7,094.50x = 238,084,900
  5. Step 5: Solve for x
    x = 238,084,900/7,094.50
  6. Step 6: Final answer
    x = 33,559.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.