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Finding the Third Proportional to 720,155 and 1,551,846

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Solution

The third proportional to 720,155 and 1,551,846 is: 3,344,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,155 : 1,551,846 = 1,551,846 : x
  2. Step 2: Convert to fraction form
    720,155/1,551,846 = 1,551,846/x
  3. Step 3: Cross multiply
    720,155x = 1,551,846 × 1,551,846
  4. Step 4: Simplify right side
    720,155x = 2,408,226,007,716
  5. Step 5: Solve for x
    x = 2,408,226,007,716/720,155
  6. Step 6: Final answer
    x = 3,344,038.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.