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Finding the Third Proportional to 66,218.63 and 141,526.13

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Solution

The third proportional to 66,218.63 and 141,526.13 is: 302,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,218.63 : 141,526.13 = 141,526.13 : x
  2. Step 2: Convert to fraction form
    66,218.63/141,526.13 = 141,526.13/x
  3. Step 3: Cross multiply
    66,218.63x = 141,526.13 × 141,526.13
  4. Step 4: Simplify right side
    66,218.63x = 20,029,644,057.52
  5. Step 5: Solve for x
    x = 20,029,644,057.52/66,218.63
  6. Step 6: Final answer
    x = 302,477.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.