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Finding the Third Proportional to 7,564.13 and 9,938.63

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Solution

The third proportional to 7,564.13 and 9,938.63 is: 13,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.13 : 9,938.63 = 9,938.63 : x
  2. Step 2: Convert to fraction form
    7,564.13/9,938.63 = 9,938.63/x
  3. Step 3: Cross multiply
    7,564.13x = 9,938.63 × 9,938.63
  4. Step 4: Simplify right side
    7,564.13x = 98,776,266.89
  5. Step 5: Solve for x
    x = 98,776,266.89/7,564.13
  6. Step 6: Final answer
    x = 13,058.52

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.