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Finding the Third Proportional to 66,031.50 and 98,808

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Solution

The third proportional to 66,031.50 and 98,808 is: 147,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,031.50 : 98,808 = 98,808 : x
  2. Step 2: Convert to fraction form
    66,031.50/98,808 = 98,808/x
  3. Step 3: Cross multiply
    66,031.50x = 98,808 × 98,808
  4. Step 4: Simplify right side
    66,031.50x = 9,763,020,864
  5. Step 5: Solve for x
    x = 9,763,020,864/66,031.50
  6. Step 6: Final answer
    x = 147,853.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.