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Finding the Third Proportional to 6,981.19 and 14,430.66

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Solution

The third proportional to 6,981.19 and 14,430.66 is: 29,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.19 : 14,430.66 = 14,430.66 : x
  2. Step 2: Convert to fraction form
    6,981.19/14,430.66 = 14,430.66/x
  3. Step 3: Cross multiply
    6,981.19x = 14,430.66 × 14,430.66
  4. Step 4: Simplify right side
    6,981.19x = 208,243,839.81
  5. Step 5: Solve for x
    x = 208,243,839.81/6,981.19
  6. Step 6: Final answer
    x = 29,829.29

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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.