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Finding the Third Proportional to 239,304,474 and 520,537,428

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Solution

The third proportional to 239,304,474 and 520,537,428 is: 1,132,278,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,304,474 : 520,537,428 = 520,537,428 : x
  2. Step 2: Convert to fraction form
    239,304,474/520,537,428 = 520,537,428/x
  3. Step 3: Cross multiply
    239,304,474x = 520,537,428 × 520,537,428
  4. Step 4: Simplify right side
    239,304,474x = 270,959,213,948,855,168
  5. Step 5: Solve for x
    x = 270,959,213,948,855,168/239,304,474
  6. Step 6: Final answer
    x = 1,132,278,095.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.