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Finding the Third Proportional to 615,386.50 and 1,329,188

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Solution

The third proportional to 615,386.50 and 1,329,188 is: 2,870,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,386.50 : 1,329,188 = 1,329,188 : x
  2. Step 2: Convert to fraction form
    615,386.50/1,329,188 = 1,329,188/x
  3. Step 3: Cross multiply
    615,386.50x = 1,329,188 × 1,329,188
  4. Step 4: Simplify right side
    615,386.50x = 1,766,740,739,344
  5. Step 5: Solve for x
    x = 1,766,740,739,344/615,386.50
  6. Step 6: Final answer
    x = 2,870,944.91

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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.