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Finding the Third Proportional to 402,833 and 877,594

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Solution

The third proportional to 402,833 and 877,594 is: 1,911,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,833 : 877,594 = 877,594 : x
  2. Step 2: Convert to fraction form
    402,833/877,594 = 877,594/x
  3. Step 3: Cross multiply
    402,833x = 877,594 × 877,594
  4. Step 4: Simplify right side
    402,833x = 770,171,228,836
  5. Step 5: Solve for x
    x = 770,171,228,836/402,833
  6. Step 6: Final answer
    x = 1,911,887.13

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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.