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Finding the Third Proportional to 248,643 and 542,829

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Solution

The third proportional to 248,643 and 542,829 is: 1,185,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,643 : 542,829 = 542,829 : x
  2. Step 2: Convert to fraction form
    248,643/542,829 = 542,829/x
  3. Step 3: Cross multiply
    248,643x = 542,829 × 542,829
  4. Step 4: Simplify right side
    248,643x = 294,663,323,241
  5. Step 5: Solve for x
    x = 294,663,323,241/248,643
  6. Step 6: Final answer
    x = 1,185,085.94

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.