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Finding the Third Proportional to 77,998 and 114,072

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Solution

The third proportional to 77,998 and 114,072 is: 166,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,998 : 114,072 = 114,072 : x
  2. Step 2: Convert to fraction form
    77,998/114,072 = 114,072/x
  3. Step 3: Cross multiply
    77,998x = 114,072 × 114,072
  4. Step 4: Simplify right side
    77,998x = 13,012,421,184
  5. Step 5: Solve for x
    x = 13,012,421,184/77,998
  6. Step 6: Final answer
    x = 166,830.19

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.