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Finding the Third Proportional to 919,430.50 and 1,427,260

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Solution

The third proportional to 919,430.50 and 1,427,260 is: 2,215,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,430.50 : 1,427,260 = 1,427,260 : x
  2. Step 2: Convert to fraction form
    919,430.50/1,427,260 = 1,427,260/x
  3. Step 3: Cross multiply
    919,430.50x = 1,427,260 × 1,427,260
  4. Step 4: Simplify right side
    919,430.50x = 2,037,071,107,600
  5. Step 5: Solve for x
    x = 2,037,071,107,600/919,430.50
  6. Step 6: Final answer
    x = 2,215,579.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.