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Finding the Third Proportional to 623,781 and 1,312,746.75

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Solution

The third proportional to 623,781 and 1,312,746.75 is: 2,762,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,781 : 1,312,746.75 = 1,312,746.75 : x
  2. Step 2: Convert to fraction form
    623,781/1,312,746.75 = 1,312,746.75/x
  3. Step 3: Cross multiply
    623,781x = 1,312,746.75 × 1,312,746.75
  4. Step 4: Simplify right side
    623,781x = 1,723,304,029,635.56
  5. Step 5: Solve for x
    x = 1,723,304,029,635.56/623,781
  6. Step 6: Final answer
    x = 2,762,674.77

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.