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Finding the Third Proportional to 66,335,118 and 143,535,900

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Solution

The third proportional to 66,335,118 and 143,535,900 is: 310,582,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,335,118 : 143,535,900 = 143,535,900 : x
  2. Step 2: Convert to fraction form
    66,335,118/143,535,900 = 143,535,900/x
  3. Step 3: Cross multiply
    66,335,118x = 143,535,900 × 143,535,900
  4. Step 4: Simplify right side
    66,335,118x = 20,602,554,588,810,000
  5. Step 5: Solve for x
    x = 20,602,554,588,810,000/66,335,118
  6. Step 6: Final answer
    x = 310,582,919.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.