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Finding the Third Proportional to 781,998 and 1,703,958

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Solution

The third proportional to 781,998 and 1,703,958 is: 3,712,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,998 : 1,703,958 = 1,703,958 : x
  2. Step 2: Convert to fraction form
    781,998/1,703,958 = 1,703,958/x
  3. Step 3: Cross multiply
    781,998x = 1,703,958 × 1,703,958
  4. Step 4: Simplify right side
    781,998x = 2,903,472,865,764
  5. Step 5: Solve for x
    x = 2,903,472,865,764/781,998
  6. Step 6: Final answer
    x = 3,712,890.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.