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Finding the Third Proportional to 611,466,172,420 and 1,330,287,553,615

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Solution

The third proportional to 611,466,172,420 and 1,330,287,553,615 is: 2,894,133,895,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,466,172,420 : 1,330,287,553,615 = 1,330,287,553,615 : x
  2. Step 2: Convert to fraction form
    611,466,172,420/1,330,287,553,615 = 1,330,287,553,615/x
  3. Step 3: Cross multiply
    611,466,172,420x = 1,330,287,553,615 × 1,330,287,553,615
  4. Step 4: Simplify right side
    611,466,172,420x = 1,769,664,975,302,981,572,362,240
  5. Step 5: Solve for x
    x = 1,769,664,975,302,981,572,362,240/611,466,172,420
  6. Step 6: Final answer
    x = 2,894,133,895,092.15

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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.