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Finding the Third Proportional to 7,018,392,578 and 15,605,997,569

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Solution

The third proportional to 7,018,392,578 and 15,605,997,569 is: 34,701,273,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,392,578 : 15,605,997,569 = 15,605,997,569 : x
  2. Step 2: Convert to fraction form
    7,018,392,578/15,605,997,569 = 15,605,997,569/x
  3. Step 3: Cross multiply
    7,018,392,578x = 15,605,997,569 × 15,605,997,569
  4. Step 4: Simplify right side
    7,018,392,578x = 243,547,160,123,633,926,144
  5. Step 5: Solve for x
    x = 243,547,160,123,633,926,144/7,018,392,578
  6. Step 6: Final answer
    x = 34,701,273,463.54

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.