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Finding the Third Proportional to 67,351,020 and 145,479,576

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Solution

The third proportional to 67,351,020 and 145,479,576 is: 314,238,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,351,020 : 145,479,576 = 145,479,576 : x
  2. Step 2: Convert to fraction form
    67,351,020/145,479,576 = 145,479,576/x
  3. Step 3: Cross multiply
    67,351,020x = 145,479,576 × 145,479,576
  4. Step 4: Simplify right side
    67,351,020x = 21,164,307,033,139,776
  5. Step 5: Solve for x
    x = 21,164,307,033,139,776/67,351,020
  6. Step 6: Final answer
    x = 314,238,849.44

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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.