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Finding the Third Proportional to 66,335,122 and 143,535,908

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Solution

The third proportional to 66,335,122 and 143,535,908 is: 310,582,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,335,122 : 143,535,908 = 143,535,908 : x
  2. Step 2: Convert to fraction form
    66,335,122/143,535,908 = 143,535,908/x
  3. Step 3: Cross multiply
    66,335,122x = 143,535,908 × 143,535,908
  4. Step 4: Simplify right side
    66,335,122x = 20,602,556,885,384,464
  5. Step 5: Solve for x
    x = 20,602,556,885,384,464/66,335,122
  6. Step 6: Final answer
    x = 310,582,935.02

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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.