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Finding the Third Proportional to 1,723,230.70 and 3,712,312.90

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Solution

The third proportional to 1,723,230.70 and 3,712,312.90 is: 7,997,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,230.70 : 3,712,312.90 = 3,712,312.90 : x
  2. Step 2: Convert to fraction form
    1,723,230.70/3,712,312.90 = 3,712,312.90/x
  3. Step 3: Cross multiply
    1,723,230.70x = 3,712,312.90 × 3,712,312.90
  4. Step 4: Simplify right side
    1,723,230.70x = 13,781,267,055,905.43
  5. Step 5: Solve for x
    x = 13,781,267,055,905.43/1,723,230.70
  6. Step 6: Final answer
    x = 7,997,343.03

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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.