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Finding the Third Proportional to 528,988 and 804,554

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Solution

The third proportional to 528,988 and 804,554 is: 1,223,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,988 : 804,554 = 804,554 : x
  2. Step 2: Convert to fraction form
    528,988/804,554 = 804,554/x
  3. Step 3: Cross multiply
    528,988x = 804,554 × 804,554
  4. Step 4: Simplify right side
    528,988x = 647,307,138,916
  5. Step 5: Solve for x
    x = 647,307,138,916/528,988
  6. Step 6: Final answer
    x = 1,223,670.74

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.