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Finding the Third Proportional to 4,991,797.13 and 7,897,575.94

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Solution

The third proportional to 4,991,797.13 and 7,897,575.94 is: 12,494,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,797.13 : 7,897,575.94 = 7,897,575.94 : x
  2. Step 2: Convert to fraction form
    4,991,797.13/7,897,575.94 = 7,897,575.94/x
  3. Step 3: Cross multiply
    4,991,797.13x = 7,897,575.94 × 7,897,575.94
  4. Step 4: Simplify right side
    4,991,797.13x = 62,371,705,688,579
  5. Step 5: Solve for x
    x = 62,371,705,688,579/4,991,797.13
  6. Step 6: Final answer
    x = 12,494,839.86

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.