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Finding the Third Proportional to 1,345,812.79 and 2,953,191.34

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Solution

The third proportional to 1,345,812.79 and 2,953,191.34 is: 6,480,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,812.79 : 2,953,191.34 = 2,953,191.34 : x
  2. Step 2: Convert to fraction form
    1,345,812.79/2,953,191.34 = 2,953,191.34/x
  3. Step 3: Cross multiply
    1,345,812.79x = 2,953,191.34 × 2,953,191.34
  4. Step 4: Simplify right side
    1,345,812.79x = 8,721,339,089,728.42
  5. Step 5: Solve for x
    x = 8,721,339,089,728.42/1,345,812.79
  6. Step 6: Final answer
    x = 6,480,350.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.