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Finding the Third Proportional to 1,038,688.31 and 1,553,880.59

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Solution

The third proportional to 1,038,688.31 and 1,553,880.59 is: 2,324,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,688.31 : 1,553,880.59 = 1,553,880.59 : x
  2. Step 2: Convert to fraction form
    1,038,688.31/1,553,880.59 = 1,553,880.59/x
  3. Step 3: Cross multiply
    1,038,688.31x = 1,553,880.59 × 1,553,880.59
  4. Step 4: Simplify right side
    1,038,688.31x = 2,414,544,875,353.47
  5. Step 5: Solve for x
    x = 2,414,544,875,353.47/1,038,688.31
  6. Step 6: Final answer
    x = 2,324,609.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.