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Finding the Third Proportional to 141,382 and 307,641

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Solution

The third proportional to 141,382 and 307,641 is: 669,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,382 : 307,641 = 307,641 : x
  2. Step 2: Convert to fraction form
    141,382/307,641 = 307,641/x
  3. Step 3: Cross multiply
    141,382x = 307,641 × 307,641
  4. Step 4: Simplify right side
    141,382x = 94,642,984,881
  5. Step 5: Solve for x
    x = 94,642,984,881/141,382
  6. Step 6: Final answer
    x = 669,413.26

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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.