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Finding the Third Proportional to 119,346 and 257,374.50

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Solution

The third proportional to 119,346 and 257,374.50 is: 555,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,346 : 257,374.50 = 257,374.50 : x
  2. Step 2: Convert to fraction form
    119,346/257,374.50 = 257,374.50/x
  3. Step 3: Cross multiply
    119,346x = 257,374.50 × 257,374.50
  4. Step 4: Simplify right side
    119,346x = 66,241,633,250.25
  5. Step 5: Solve for x
    x = 66,241,633,250.25/119,346
  6. Step 6: Final answer
    x = 555,038.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.