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Finding the Third Proportional to 615,600 and 1,318,788

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Solution

The third proportional to 615,600 and 1,318,788 is: 2,825,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,600 : 1,318,788 = 1,318,788 : x
  2. Step 2: Convert to fraction form
    615,600/1,318,788 = 1,318,788/x
  3. Step 3: Cross multiply
    615,600x = 1,318,788 × 1,318,788
  4. Step 4: Simplify right side
    615,600x = 1,739,201,788,944
  5. Step 5: Solve for x
    x = 1,739,201,788,944/615,600
  6. Step 6: Final answer
    x = 2,825,214.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.