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Finding the Third Proportional to 66,526 and 147,832.50

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Solution

The third proportional to 66,526 and 147,832.50 is: 328,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,526 : 147,832.50 = 147,832.50 : x
  2. Step 2: Convert to fraction form
    66,526/147,832.50 = 147,832.50/x
  3. Step 3: Cross multiply
    66,526x = 147,832.50 × 147,832.50
  4. Step 4: Simplify right side
    66,526x = 21,854,448,056.25
  5. Step 5: Solve for x
    x = 21,854,448,056.25/66,526
  6. Step 6: Final answer
    x = 328,509.88

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.