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Finding the Third Proportional to 4,539,953,379 and 6,390,468,880

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Solution

The third proportional to 4,539,953,379 and 6,390,468,880 is: 8,995,266,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539,953,379 : 6,390,468,880 = 6,390,468,880 : x
  2. Step 2: Convert to fraction form
    4,539,953,379/6,390,468,880 = 6,390,468,880/x
  3. Step 3: Cross multiply
    4,539,953,379x = 6,390,468,880 × 6,390,468,880
  4. Step 4: Simplify right side
    4,539,953,379x = 40,838,092,506,248,454,144
  5. Step 5: Solve for x
    x = 40,838,092,506,248,454,144/4,539,953,379
  6. Step 6: Final answer
    x = 8,995,266,932.73

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.