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Finding the Third Proportional to 66,131,260 and 140,129,528

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Solution

The third proportional to 66,131,260 and 140,129,528 is: 296,928,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,131,260 : 140,129,528 = 140,129,528 : x
  2. Step 2: Convert to fraction form
    66,131,260/140,129,528 = 140,129,528/x
  3. Step 3: Cross multiply
    66,131,260x = 140,129,528 × 140,129,528
  4. Step 4: Simplify right side
    66,131,260x = 19,636,284,617,502,784
  5. Step 5: Solve for x
    x = 19,636,284,617,502,784/66,131,260
  6. Step 6: Final answer
    x = 296,928,935.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.