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Finding the Third Proportional to 112,995 and 245,430

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Solution

The third proportional to 112,995 and 245,430 is: 533,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,995 : 245,430 = 245,430 : x
  2. Step 2: Convert to fraction form
    112,995/245,430 = 245,430/x
  3. Step 3: Cross multiply
    112,995x = 245,430 × 245,430
  4. Step 4: Simplify right side
    112,995x = 60,235,884,900
  5. Step 5: Solve for x
    x = 60,235,884,900/112,995
  6. Step 6: Final answer
    x = 533,084.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.