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Finding the Third Proportional to 718,123 and 1,063,319

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Solution

The third proportional to 718,123 and 1,063,319 is: 1,574,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,123 : 1,063,319 = 1,063,319 : x
  2. Step 2: Convert to fraction form
    718,123/1,063,319 = 1,063,319/x
  3. Step 3: Cross multiply
    718,123x = 1,063,319 × 1,063,319
  4. Step 4: Simplify right side
    718,123x = 1,130,647,295,761
  5. Step 5: Solve for x
    x = 1,130,647,295,761/718,123
  6. Step 6: Final answer
    x = 1,574,447.96

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.