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Finding the Third Proportional to 245,572 and 528,929

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Solution

The third proportional to 245,572 and 528,929 is: 1,139,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,572 : 528,929 = 528,929 : x
  2. Step 2: Convert to fraction form
    245,572/528,929 = 528,929/x
  3. Step 3: Cross multiply
    245,572x = 528,929 × 528,929
  4. Step 4: Simplify right side
    245,572x = 279,765,887,041
  5. Step 5: Solve for x
    x = 279,765,887,041/245,572
  6. Step 6: Final answer
    x = 1,139,241.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.