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Finding the Third Proportional to 235,740 and 508,860

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Solution

The third proportional to 235,740 and 508,860 is: 1,098,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,740 : 508,860 = 508,860 : x
  2. Step 2: Convert to fraction form
    235,740/508,860 = 508,860/x
  3. Step 3: Cross multiply
    235,740x = 508,860 × 508,860
  4. Step 4: Simplify right side
    235,740x = 258,938,499,600
  5. Step 5: Solve for x
    x = 258,938,499,600/235,740
  6. Step 6: Final answer
    x = 1,098,407.14

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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.