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Finding the Third Proportional to 424,818 and 651,969

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Solution

The third proportional to 424,818 and 651,969 is: 1,000,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,818 : 651,969 = 651,969 : x
  2. Step 2: Convert to fraction form
    424,818/651,969 = 651,969/x
  3. Step 3: Cross multiply
    424,818x = 651,969 × 651,969
  4. Step 4: Simplify right side
    424,818x = 425,063,576,961
  5. Step 5: Solve for x
    x = 425,063,576,961/424,818
  6. Step 6: Final answer
    x = 1,000,578.08

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.