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Finding the Third Proportional to 615,247.50 and 886,288

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Solution

The third proportional to 615,247.50 and 886,288 is: 1,276,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,247.50 : 886,288 = 886,288 : x
  2. Step 2: Convert to fraction form
    615,247.50/886,288 = 886,288/x
  3. Step 3: Cross multiply
    615,247.50x = 886,288 × 886,288
  4. Step 4: Simplify right side
    615,247.50x = 785,506,418,944
  5. Step 5: Solve for x
    x = 785,506,418,944/615,247.50
  6. Step 6: Final answer
    x = 1,276,732.40

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.