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Finding the Third Proportional to 653,154.75 and 989,577

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Solution

The third proportional to 653,154.75 and 989,577 is: 1,499,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,154.75 : 989,577 = 989,577 : x
  2. Step 2: Convert to fraction form
    653,154.75/989,577 = 989,577/x
  3. Step 3: Cross multiply
    653,154.75x = 989,577 × 989,577
  4. Step 4: Simplify right side
    653,154.75x = 979,262,638,929
  5. Step 5: Solve for x
    x = 979,262,638,929/653,154.75
  6. Step 6: Final answer
    x = 1,499,281.20

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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.