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Finding the Third Proportional to 1,931,153 and 2,921,579.50

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Solution

The third proportional to 1,931,153 and 2,921,579.50 is: 4,419,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,153 : 2,921,579.50 = 2,921,579.50 : x
  2. Step 2: Convert to fraction form
    1,931,153/2,921,579.50 = 2,921,579.50/x
  3. Step 3: Cross multiply
    1,931,153x = 2,921,579.50 × 2,921,579.50
  4. Step 4: Simplify right side
    1,931,153x = 8,535,626,774,820.25
  5. Step 5: Solve for x
    x = 8,535,626,774,820.25/1,931,153
  6. Step 6: Final answer
    x = 4,419,964.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.