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Finding the Third Proportional to 2,712,688.50 and 3,792,739.50

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Solution

The third proportional to 2,712,688.50 and 3,792,739.50 is: 5,302,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,688.50 : 3,792,739.50 = 3,792,739.50 : x
  2. Step 2: Convert to fraction form
    2,712,688.50/3,792,739.50 = 3,792,739.50/x
  3. Step 3: Cross multiply
    2,712,688.50x = 3,792,739.50 × 3,792,739.50
  4. Step 4: Simplify right side
    2,712,688.50x = 14,384,872,914,860.25
  5. Step 5: Solve for x
    x = 14,384,872,914,860.25/2,712,688.50
  6. Step 6: Final answer
    x = 5,302,810.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.